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What is Sore Throat? Almost everyone gets a sore throat at one time or another. Children tend to have them more often than adolescents or adults. Sore throats are most common during the winter months when upper respiratory infections (colds) are more frequent. Sore throat (pharyngitis) is a painful inflammation of the pharynx, which is the part of the throat that lies between the mouth and the larynx (voice box). Sore throat is often a symptom of various illnesses such as colds and flu, glandular fever, respiratory tract infections, tonsillitis, and chickenpox. While most sore throats heal without complications, in some cases, they develop into a serious illness. Causes of Sore Throat The major cause of sore throat is infection. Sore throat may be caused by either viral or bacterial infections. But it can also be caused by allergies and environmental conditions. Viral Sore Throat Approximately 90% of sore throats are caused by viral infections. There is no simple way to distinguish a viral sore throat from a bacterial sore throat. Viral sore throats are quite contagious. They can be spread by personal contact and by coughing or sneezing. Cold and flu viruses are the main culprits. When a stuffy-runny nose, sneezing, and generalized aches and pains accompany the sore throat, it is probably caused by virus. For a viral infection, no antibiotic is usually needed and the infection can be expected to run a four to six day course. Another group of viruses that cause sore throat are the adenoviruses. The adenoviruses usually cause infections of the lungs and ears. Adenoviruses may cause white bumps on the tonsils and throat, diarrhea, vomiting, and a rash. Sore throat caused by adenoviruse lasts about a week. One particular virus responsible for causing sore throat is the coxsackie virus. This virus causes a disease known as herpangina, which occurs most commonly among children under the age of ten and is most common during the summer. It is sometimes called summer sore throat. Summer sore throat can be quite severe. Symptoms include a high fever and the presence of tiny grayish-white blisters on the throat and mouth. The blisters erupt in a few days and are followed by a scab which may be very painful. Mononucleosis (mono) is a viral infection caused by the Epstein-Barr virus, a member of the herpesvirus group. This virus lodges in the lymph system, causing massive enlargement of the tonsils and swollen glands in the neck, armpits and groin. Mono can affect the liver, leading to jaundice (yellow skin and eyes). One of the main signs of mono is a sore throat that may last for 1 to 4 weeks. Mono is a severe illness in a teenager or young adult, but it is less severe in a child. Symptoms caused by mononucleosis can last for 4 weeks or more. Bacterial Sore Throat About 10% of all sore throats are caused by bacteria. The most common bacterial sore throat is caused by a bacterium called group A Streptococcus. This type of sore throat is called strep throat. The pain of strep throat often feels much like sore throats caused by other bacteria or by viruses. The tonsils often swell and become coated and the throat is sore. The patient may have a high temperature, sour breath and may feel quite ill. If strep throat isn't treated it can sometimes result in rheumatic fever, which can damage the valves of the heart. The most dangerous throat infection is epiglottitis, caused by bacteria that infect a portion of the larynx (voice box) and cause swelling that closes the airway. This infection is an emergency condition that requires prompt medical attention. Suspect it when swallowing is extremely painful (causing drooling), when speech is muffled and when breathing becomes difficult. Noninfectious Sore Throat Not all sore throats result from viral or bacterial infections. Sore throats can also be caused by allergies and environmental irritation. These forms of sore throat are not contagious. Allergy: The same pet dander, molds and pollens that trigger allergic reactions such as red, swollen eyes and a runny nose can also cause a sore throat. Cat and dog danders and house dust are common causes of sore throats for people with allergies to them. Irritation: Many materials in the environment can also irritate the pharynx. Such irritants include cigarette smoke, polluted air, chemical fumes, and dry air. During the cold winter months, dry heat may create a recurring, mild sore throat with a parched feeling, especially in the mornings. Symptoms of Sore Throat The symptoms for a sore throat caused by both bacterial and viral causes are the same: pain in the throat pain and difficulty in swallowing red throat swollen tonsils coated tonsils swollen neck glands pus covering the throat or white spots coughing fever If the sore throat is due to a viral infection the symptoms are usually milder. Sore Throat Treatment The treatment of sore throat will vary according to the cause. Sore throats are usually mild and can be treated at home with over-the-counter remedies available from your local pharmacy. They usually get better on their own, in 3-7 days. It is extra rare for antibiotics to be needed. This is only the case when the sore throat is the result of a serious bacterial infection. Sore throat treatment and comfort measures: Strep throat requires antibiotics. Sometimes it is difficult to determine whether the cause is viral or bacterial, so antibiotics may be prescribed as a precaution. Pain relievers - nonsteroidal anti-inflammatory drugs, (such as aspirin, ibuprofen, and naproxen) are often more effective pain relievers than acetaminophen (Tylenol). These medications reduce pain and fever that accompany a sore throat. Children should not be given aspirin because of the risk of Reye's syndrome. Salt water gargle can be a good way to relieve a sore throat. It help soothe the irritated throat and reduces swelling in the tissues. This is the safest, least expensive and probably the most effective treatment of a sore throat. Use over-the-counter throat lozenges every couple of hours or hard candy. It can help relieve sore throat and cough. It does stimulate saliva production, which bathes and cleanses your throat. Drinking enough fluids is very important, warm drinks may be especially soothing. Avoid caffeine because it can cause water loss. Get plenty of rest. Getting extra sleep can promote more rapid recovery, especially if a virus is the cause. Avoid smoking or being around smoke and other throat irritants. Humidify the air. Adding moisture to the air prevents your mucous membranes from drying out. This can reduce irritation and make it easier to sleep. Hot, dry air will aggravate sore throat. Take a high-potency multivitamin and the herb echinacea to build up your immune system. penis enlarement supplement home penile enlargement penis enlargement pills review discount vig rx best enlargement exercise pnis penis enlagement testimonials penis enlargment surgeon penis enhancement device

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Lesson Purpose: Your body is a precious gift that should be properly nourished, cleansed, and kept free from harmful substances. By preserving the sanctity of your body, you keep it as a holy temple for your spirit. The Lesson “And the LORD God formed man [of] the dust of the ground, and breathed into his nostrils the breath of life; and man became a living soul.” Bible, Genesis 2:7 “If any man defile the temple of God, him shall God destroy; for the temple of God is holy, which temple ye are.” Bible, 1Cor 3:17 “If anything is sacred the human body is sacred.” Walt Whitman, I Sing the Body Electric. “For the body at best Is a bundle of aches, Longing for rest; It cries when it wakes.” Edna St. Vincent Millay, Moriturus Robert Lewis Stevenson is an example of a person living with his body. I realize that not everyone has a healthy body and that they have to compromise to meet their life's objectives. Robert Lewis Stevenson died in the last decade of the nineteenth century at age forty-four. One of the greatest writers of all time, he said that there was never a day in his life that he was not ill and that he felt strong enough to get out of bed. But he said that if he didn't get up, nothing would be accomplished that day. So he got up and wrote the wonderful literature for young and old that will be enjoyed as long as man can pull a chair up to a lamp and read. We don't have to go back that far, do we? We have a young mother in our town who is horribly crippled and raising her children on her own. She is a beautiful creature with long black hair that drops down to her waste. I sometimes see her down by the town lake. Crutches in both hands and braces on her legs, she struggles to walk around the lake. I go up to her and ask her is she is okay. Can I take her back to her car? She gives me her beautiful smile and says, “I'm going to try and make it.” Her picture was in the paper the other day. Habitat for Humanity is building her a house. She is so happy and what did she say? “I'm going to work on that house too.” And she will. Why? Because she has too, to achieve what she wants to get out life. (Note: I worked on her home and three others while living in Arizona. She lives in it today with her two children, a boy and a girl.) Most of us have reasonably healthy bodies. We should be grateful to God for that. If people with terrible ailments press on in their lives despite the suffering, we should strive to use our bodies to help others. And that's what we do, isn't it? We go to work. We go shopping for groceries. We pack the kids in the car and take them off to school and sports activities. We are on the run all the time! And that is why we have to stop and think and ask ourselves, “Am I taking care of the body that God gave me? Do I give my body enough rest? Do I give my body enough exercise? Do I feed my body the right foods? Am I putting dangerous chemicals and drugs into my body? When did I last have the doctor give me a checkup?” We are what we eat, they say. And that's what we like to do most, isn't it? EAT! There are two problems here related to Quality and Quantity. You can eat all the carrots, lettuce, watermelon, and other such vegetables and fruits that you want without ill effects. Why? There are few calories, but lots of vitamins and minerals that you need. You can't eat all the meat, ice cream, cake, hamburgers, hot dogs, cheese, and such, without getting too much fat and too many calories. Moderation is the key, isn't it? Sure it is! If you eat lots of fruits and vegetables and much less meat, ice cream, cake, hamburgers, French fries, fried onion rings, etc., you will have more energy and vigor. Many folks are overweight which leads to heart decease, diabetes and other ailments. To lose weight, I have to write down my daily intake of food item by item on a sheet of paper so that I don't over do it. By doing that, I automatically say: “Hey! I’m eating too darn much.” When I first started doing this, I would count the calories and stopped when I reached my limit. I found this not necessary. Just jotting down the items slows me down. We need exercise too. They say that we old folks need at least three thirty-minute exercise periods every week and that hefting a few weights can keep our muscles strong. I walk around the track at our high school pumping five pound weights. Younger people get plenty of exercise, at least most of them, but they still need to watch what they eat. Tired about me talking about Korea? Well, this isn't one of my war stories. It's a fact that the doctors working in aid stations and field hospitals in Korea, many who had served in WW II, found that the arteries of the Korean GI’s were heavily laden with plaque. Much more than what the doctors saw in WW II. The reason was that those that went into W.W.II lived during the “kettle of beans” era of America called the Great Depression. The diet was not HIGH FAT. We ate a lot of vegetables. Our mother's canned fruits and tomatoes. I remember carrying jars of fruit and vegetables down our basement steps until my arms dropped off. Then came the hamburger era. When the war brought money into the land of the poor, we went on a richer diet. We loved ice cream and hamburgers and hot dogs and French fries. When I was in high school and, even later after the Korean War, at the university, a good lunch was hamburgers with fries. I paid for it. Years in industry, after I left teaching engineering at Iowa State University, required lots of travel and lots of meals away from home. I traveled to England, Germany, France, Italy, Belgium, Holland, Norway, Denmark, Sweden, Mexico, Japan, Korea, and on one trip, I flew around the world, crossing the Great Soviet Union after flying over Finland, and then dropping down into Japan. We ate and ate and ate! Wherever we went, we ate like hogs. After I retired and was editor of an industrial magazine, I flew to Mexico, Ecuador and Columbia. In Columbia, I was escorted by guards with machine guns. But I didn't eat fatty foods. The reason was that I had bypass surgery and no longer was allowed to eat artery-blocking goodies. My first surgery was in 1992. In the spring of 2005, one of the grafts was replaced and I was supplied with the aortic valve of a hog (which seems appropriate). So, what should we eat? The “Nutrition Action Healthletter,” published by the nonprofit Center for Science in the Public Interest, 1875 Connecticut Avenue, N.W., Washington, D.C. 20009 says that the following are good things to eat: oranges, whole-grain bread, cantaloupe, broccoli, sweet potatoes, watermelon, beans, salmon or other fatty fish, all-bran or 100% bran cereals, spinach, and kale. Salmon and other fatty fishes reduce the chance of a sudden-death heart attack. All-bran and 100% bran reduce the risk of cancer and heart disease. When you shop for groceries, read the labels. Quaker 100% Natural Oats & Honey Granola sure sounds healthy to me. Not so says the Center. Too much sugar and fat. Look for a low-fat variety from Mister Quaker if you want granola. Many plastic-bag items like chips are loaded with fat and salt. Breakfast sandwiches are packed with fat. Pizza is loaded with fat. Buy a low-fat brand or eat in moderation. Donuts and such are loaded with sugar and fat. Look for fat-free varieties. Noodles and such by themselves are not high in fat, but when you fry them they are. Canned soups can be loaded with salt. Read the labels. Breakfast eating out: Well, Denny's Slim Slam is much better for you than the Grand Slam. What about meat? My wife lives without it, and she doesn't feed me much. Some meat, or equivalent, is essential to good health, but purchase lean cuts and eat in moderation. Use it as a garnish more than the main part of the meal. I make spaghetti using chicken as the meat instead of meat balls. You can eat turkey burgers rather than hamburgers. What about pork? When I was a boy, I use to work at a hog farm owned by our church. Stink! Wow! The pigs were as big as cars. When I drove through Iowa in 1956, the pigs were still huge. When I went back to teach at Iowa State University in 1966, the pigs had shrunk. They got smaller still by the time I left in 1974. All this was accomplished through breeding and diet. The pigs were slimming down. Lean pork can have a lot less fat than some beef cuts. Read the labels at the supermarket. Everyday eat: cereal, fruit, vegetables, little or no meat, and fish once or twice a week. My wife doesn't cook fish and the trout I catch don't have much omega-3 fatty acid. I take the pills. Take a multipurpose vitamin and consider taking extra vitamin C, especially during the cold season. Physical Examinations Middle-aged men should have an annual physical. Men are subject to prostate problems. The problem is enlargement with the distinct possibility of cancer. (My friend died a few weeks ago after an eight-year fight with prostate cancer. A sad lose.) Women are subject to breast and ovarian cancer and need checkups before middle age. Any person having a family history of heart disease, diabetes, cancer, or other ailment, should notify their doctor of this fact. Remember to Exercise Walking is good. When you are young, you can be as vigorous in exercise as you want. (There may be exceptions.) When you are old, walking is the best exercise, or perhaps swimming. My wife swims three times a week. On her 70th birthday, she swam 70 laps at the Olympic pool. Golf is good if you walk the course pushing your bag by hand cart or carrying it. Driving around the course in a motorized cart is not quite as healthy, but you can still get a lot of exercise if you are a bad golfer and spend lots of time in the rough. England is good for golf. They usually don't have motorized carts and the rough is really rough. I do love playing golf in England with the brassy weather and the foxes scampering out of the brush and the kids running out on the course stealing your balls, and all such fun. Keep your body clean and lean if possible. If not, keep it fat and clean. But obesity is a major health risk for heart attack and cancer. Make sure you get enough sleep and resttoo, and make sure you take time out for recreation to alleviate the stresses of out times. For The Little Children Mr. Brown set on the front porch watching the cars go by. Freddy said, “I've never see Mr. Brown out of that chair.” Peter replied, “That's because Mr. Brown never gets out of that chair. He brings it out in the morning and sits there until after dark.” “Yes,” Freddy said, “He's in that chair even in the winter and late at night. The only difference is that he goes inside the house when it’s too cold outside.” Peter nodded his head. “Yes, all he needs is that chair and that radio blasting away.” One day, two of Mr. Brown's older sons came to the front of the house with an ax. Freddy said, “What are they up to now? I've never seen the Brown boys work. They just horse around all day.” Peter said, “I think they are going to cut down that tree.” Freddy replied, “What makes you think they can use an ax. They'll probably cut off a foot.” The Brown boys started swinging the ax at the tree. They chipped the tree here and there but they couldn't seem to get the hang of it. “I can't believe it!” said Peter. “You can't believe what?” asked Freddy. “Mr. Brown is getting out of that rocking chair!” “I’ll be!” said Peter. “Give me that ax!” said Mr. Brown. "You boys don't know how to swing an ax." He took the ax and started swinging like Paul Bunyan. He knew how to use an ax and the chips were flying. Freddy said, “Look how red his face is getting.” “More like blue,” said Peter. Then poor Mr. Brown fell to the ground. The Brown boys called their mother and she came running out of the house. She send one of the boys to use the Neighbor’s telephone to call an ambulance. But it was too late. Poor Mr. Brown was dead by the time the ambulance arrived. He had a massive heart attack. Mrs. Brown was crying. Peter and Freddy felt sad. They told the Brown boys they were sorry. Later, Freddy told his father what happened. His father said, “It's too bad. He wasn't in good enough health to cut down a tree. You have to keep fit to do that kind of work. You have to know your own limitations.” Freddy said, “I’ll try to remember that, Father. When I'm old, I will walk a lot like Grandfather does. I’ll try to keep healthy and strong.” His father smiled at him and said, “You are thinking good, Son.” Yes, this is a true story. The names were changed. Copyright©2001-2005 by Taylor Jones, John T. Jones, Ph.D. pennis enlargement patch penile enlargement pills penis enlagement surgery photo pennis enlargement pills product homemade penile enlargment free penis enlargment video penis enlarement patch vimax penis enlargement before and after magna rx results

1. Planning Renovations Any project will be more successful, given well-defined goals. In every household project, the following three points can be applied: FORM: What do you want it to look like? FUNCTION: What do you want it to do for you? COMPATIBILITY: What factors exist that might limit what you can do, and will the finished product look good on your house? Once you've completed this part of your homework, it's time to decide if you'll built it yourself, hire a contractor, or be your own contractor and perhaps sub-contract some of the work. Sub-contracting may sometimes seem to over-complicate things and even look wasteful, but just remember - some jobs can look deceivingly simple until you actual get into the nitty-gritty of them. A general contractor's job is to co-ordinate and orchestrate the whole schmozzle to completion. 2. Finding A Contractor My card...The process of finding a good contractor is essentially the same, whether you decide to hire a general contractor, or one or more sub-contractors. The best reference for a contractor is word of mouth from a satisfied client. If you don't know anyone who has had renovations or repairs done in the area you need, look for work trucks or signs in your neighborhood. Knock on doors, and ask the homeowners if they are satisfied with the work being done. Once you contact a contractor, ask for references, and follow through by calling their previous clients with a set of questions that will give you the information you are looking for. The following are samples of questions that could be asked of any reference: 1. Did the job come in at the quoted price? 2. Did the job come in on time? 3. Was the work site left clean each day? 4. Was the quality of the workmanship satisfactory? 5. Was the quality of the materials used satisfactory? It is always recommended that you talk to more than one company, so that you have a basis for comparison. Listen to their technical information, and note their customer relation skills. If the contractor doesn't do a very good job of communicating with you before you hire him or her, there may be a higher likelihood of miscommunications during the work. Sometimes the best companies will be very busy and you will have to wait for their services. Other times, good companies may have time slots between large projects that smaller jobs can fit into. Ask what the company's schedule has been like for the past 6 months to a year. Reputable companies are usually busy all year round in any economic situation. 3. The Estimate, or Quote Meeting the Contractors Remember that the contractor you choose could be spending a lot of time in your home, so look for someone you feel at ease with. You should meet individually with each potential contractor. Be prepared to discuss products and designs; know what you want and how much you can spend. Take note if the contractors are on time, if they listen and answer questions, willingly give information about their company and their customers; and if they seem to have any aversion to your ideas. The Estimate This is where you'll likely make your choice of contractor. Each potential contractor will present a proposal, including design and cost information. Review the estimates, ensuring that they accurately relfect your wishes, and make comments and/or any changes that are required. How Are Jobs Estimated? Work that involves structural changes to the home, custom designs, or enlargement of some of the mechanical systems is typically quoted by the job. It can be very difficult for a contractor to know exactly how much time an intricate custom job will take, particulary if a number of trades are required, and the different parts of the job are interdependent. Get it in writing!Simpler, straightforward jobs are often quoted by the square foot. Examples are laying sod, painting, roofing, drywall or refinishing floors. The quoted price will typically be set to include everything (ie. labour, materials, travel, etc.). Smaller jobs may also be quoted buy the hour, and if the job is fairly routine, such as installing addtional electrical outlets or drywalling, the figures are typically in line. In this situation you will pay the tradesperson for time, plus the cost of the materials used in the project. The Final Design and Quote If you have a contractor with good references and the estimate looks good, you now need to get a firm quote, including final designs. The design should include detailed specifications for the work and the materials to be used. (Another option is to have an architect or designer produce the plans and ask the contractors to bid on the job, based on these plans.) Make sure the final specs are accurate and reflect your wishes, and make your final comments and changes. After you accept the final quote, the cost of further changes will likely be added to the job. Ask how long the stages of the work will take, so that you can monitor progress. 4. The Paperwork Cash is King, however... ... take care, lest the cash deal of the century turn into the mistake of a lifetime! One reason for cash payment is the avoidance of paperwork and taxes. Taxes and other legalities aside, the absence of contracts and permits can be extremely risky. Ooh, I love to save money!Cash contractors often don't pay Workers' Compensation fees, and you could be held legally responsible for any worker injured on your property. If the contractor gives you the product warranty cards, you'll be covered for defective materials provided they were properly installed, but don't expect good follow-up service on a cash deal. You would also have difficulty supporting any legal actions without any paperwork. The overall quality of a project may be compromised in the absence of paperwork, and cash paid in advance (rather than by cheque) will be all but impossible to retrieve if things go sour. Building, plumbing and electrical codes may require that all or parts of your project be performed by licensed tradespeople, and sometimes licenses are required to obtain the permits. If the tradespeople aren't licensed, the contractor probably isn't insured. And if your contractor isn't insured, then depending on the nature of the job, neither is your house while he works on it. The Contract Agreements in writing are less vulnerable to miscommunications, than are verbal ones, and far easier to enforce. Some of the points included in a good contract are: 1. Full job description, including all aspects of the work; demolition, renovation, reconstruction and finishing. 2. Material specifications, including type, model, number, color, and size where applicable, and who's supplying what. 3. Start and finish dates. 4. Payment schedule; 40/40/20 is generally acceptable. 5. Permits, and who's responsible for obtaining them. 6. Clean-up and trash removal. 7. On site behaviour. 8. Change order clause: Have any changes to the original job specifications in writing with a requirement that you "sign off" any change before the work is performed. 9. Arbitration: Aree how disagreements will be handled before the work begins. 10. Contractor's insurer and policy number. 5. The Work MORE POWER! Problem Avoidance: If you've carefully chosen your contractor, and made adequate preparations (including making the site ready for the trades people and workers), this part should be easy! The actual work should closely follow what was written into the contract, however you still need to monitor the ongoing project, and in some cases you'll be required to make additional decisions. There are often unforseen difficulties, or you may simply wish to ask for changes as the work proceeds. Site Preparation: Remove furniture and stored articles from the work area, and cover carpets and other items that may not be moveable. It is in your own best interest to make arrangements for storage, clean-up and refuse areas convenient to the work area. Project Coordination: Effective communication is the greatest secret to successfully completing any project. Maintain regular contact with your contractor(s) so that the unexpected can be dealt with expediently. Hidden Conditions: A thorough inspection performed in conjuction with estimation should preclude any major changes, however there are structural and mechanical conditions initially hidden from view, which even the most experienced renovator may not be able to predict. Be prepared to negotiate changes for "hidden conditions". What to do if a problem develops: 1. Bring all problems, perceived and real, to the attention of your contractor(s). 2. Is it major or minor? If minor, and the contractor is present at the time, discuss it and negotiate a resolution. If it's minor, and/or looks like it can wait, start a list of minor observations that you can bring to his or her attention when appropriate. 3. Major problems should be dealt with immediately. If your contractor is not present at the time, make every effort to contact him or her as soon as possible. This may avert furtherance of the problem. 4. Given that your contractor responds satisfactorily, carry on. If not, try again and if necessary, write a letter. If you still don't get satisfaction, look to a third party such as the Ontario Renovators Council or the Ontario Home Builders Association. These agencies should be approached only if you are certain that a resolution cannot be achieved with the contractor. Legal counsel should be an absolute last resort. There's no use making a mountain out of a molehill, and thereby delaying succesful completion of the project. THE BOTTOM LINE: careful contractor selection + a good contract = successful job penis enlagement secret penis elargement before and after photo penis enlarement pills truth about penis enargement does vig rx really work penis enlarement device penis enargement technique enlargement forum free matter penis size magna rx results

Many industrial concerns have workshops of their own. For the repair of worn shafts, the lathe machine is excellent. Keyway slots can be machined by using a milling machine, while a shaping machine can do machining of large flat areas. A drilling machine does drilling of holes. A skilled Maintenance Engineer should know how to use all these machines in order to make his own repairs in a safe manner. Very often he has to supervise machinists. The information below should be useful for that purpose. Lathe Machine The lathe machine uses a single-point-cutting tool for a variety of turning, facing, and drilling jobs. Excess metal is removed by rotating the work piece over the fixed cutting tool to form straight or tapered cylindrical shapes, grooves, shoulders and screw threads. It can also be used for facing flat surfaces on the ends of cylindrical parts. The work piece is clamped onto a horizontal rotating shaft by a 3-jaw or 4-jaw chuck. The latter chuck can be used to cut off-centered cylinders. The rotating horizontal spindle to which the chuck is attached is usually driven at speeds that can be varied. The cutting tool is fixed onto a tool rest and manipulated by hand. It can also be power driven on straight paths parallel or perpendicular to the work axis. This is useful for screw cutting. Internal turning known as boring results in the enlargement of an already existing hole. The holes are more accurate in roundness, concentricity, and parallelism than drilled holes. A hole is bored with a single-point-cutting tool that feeds along the inside of the work piece. Shaping Machine The shaping machine is used to machine flat surfaces, grooves, shoulders, T-slots, and angular surfaces with single-point tools. The cutting tool on the shaper oscillates, cutting on the forward stroke, with the work piece feeding automatically toward the tool during each return stroke. Drilling Machine The drilling machine is used to cut holes in metal with a twist drill. By changing the cutting tool, they can be used to do reaming, boring, counter boring, countersinking, and threading. Milling Machine The milling machine uses a rotating cutting tool to cut flat surfaces, grooves, and shoulders, inclined surfaces, dovetails, and T-slots. Cutters of many shapes are changed to cut different grooves. Cutting Tools Metal-cutting tools are classified as single point or multiple point. The lathe and shaping machine use single point cutting tool while the milling and drilling machines use multiple-point-cutting tools. Metal is cut either by moving the work piece like in the lathe or by moving the tool like in the shaping machine, drilling or milling machine. Clearance angles must be provided to prevent the tool surface below the cutting edge from rubbing against the work piece. Rake angles are often provided on cutting tools to cause a wedging action in the formation of chips and to reduce friction and heat. Tool Materials In order to remove chips from a work piece, a cutting tool must be harder than the work piece and must maintain a cutting edge at the temperature produced by the friction of the cutting action. Carbon Steel Carbon steel tools even though comparatively inexpensive tend to lose cutting ability at temperatures around 400 degree F (205 degree C). High-Speed Steel High-speed steel, containing 18 percent tungsten, 4 percent chromium, 1 percent vanadium, and only 0.5 to 0.8 percent carbon, permits the operation of tools twice or three times the speeds allowable with carbon steel Cast Alloys Cast-alloy cutting-tool materials containing cobalt, chromium, and tungsten are effective in cutting cast iron and retaining their cutting ability even when red hot. Cemented Tungsten Carbide The hardness of Tungsten Carbide approaches that of a diamond. Tungsten carbide tools can be operated at cutting speeds many times higher than those used with high-speed steel. Oxides Ceramic, or oxide, tool tips consist primarily of fine aluminum oxide grains, which are bonded together. These are very hard. Cutting fluids An overheated tool can become blunt and soft very fast. Therefore very often, cooling fluids cools the cutting points of the tool. This serves to lubricate and cool. Water is an excellent cooling medium, but it corrodes ferrous materials. Sulfurized mineral oil is one of the most popular coolants as it can both cool as well as lubricate. The sulfur prevents chips from the work from melting on to the tip of the tool. pnis enlargement cream pennis enlargement vimax com enlargement penis penis pump vimax penis enlargement information truth about penis enargement pills penis elargement pills product vimax plastic surgery penis enlargement penis enhancement cream magna rx results

There is no doubt that jewelry is one of the passions of both men and women. The purchase of jewelry increases each year both from the local jewelry shops and online shops. Several customers search for the ideal necklace, pair of earrings, bracelet, or ring from various stores. Who would not think about how wonderful pieces of adornment jewelry can be? They are treasured possessions. They are truly fascinating. And the jewelers who make them can be quite talented. Who Is a Jeweler? A jeweler is one who works on crafting valuable stones. He cuts the stones into appropriate pieces, sets them according to the right size and designs, and likewise polishes them so they will be nice to hold and dazzling to look at. A jeweler also makes or designs jewelry according to the plan he has devised. Or, he may pattern his craft according to the designs provided by certain designers or the designs that are clearly specified by the customers. In addition to creating several variations of jewelry, a jeweler is also skilled in repair work. Hence, a jeweler is a genius in both the enlargement and reduction of the sizes of the rings, restoring kaput mountings and clasps, resetting or altering the positions of the gemstones, engraving, and polishing. How Does a Jeweler Complete His Work? Once the jeweler has conceptualized the design he wishes for a piece of jewelry, the first thing he does is carve the wax that will serve as the model when he begins to cast the metal. Next, each of the parts is soldered as one, after which, the jeweler may either decide to mount any gemstone or whittle any suitable design to the metal itself. The final step of polishing the jewelry to perfection follows. Jewelers utilize different tools to complete their work. With the aid of the continuing advancement of technology, jewelry-making has become easier and more affordable, and it yields pieces of the finest quality.