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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. penis enlargement information penis enlagement video penis enargement technique vig rx pill easy enlarement free penis surgery way vigrx penis enlargement pills do penis enlargement pills really work pennis enlargement surgery picture

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A lot of men are ready to go to great lengths to get a bigger penis. Through the years, these men have tried any possible penis enlargement method, regardless of how ridiculous or dangerous that method was. Although there is no shortage of safe male enhancement techniques, some men seem hell-bent on putting into practice the strangest ideas and the most obscure penis enlargement techniques. One of the lesser known penis enlargement techniques is the injection of liquid silicone into the penis and the scrotum. This is a pretty drastic approach to penis enlargement and not frequently performed. The main advantage of this technique is a significant increase in girth. Silicone injections are not the best way of increasing the length of the penis shaft, but they do wonders for girth. The results are usually impressive. The biggest gains obtained through this method amounted to more than 900 percent increase in penis volume. However, it’s worth noting that a 900 percent increase in penis and scrotum volume renders the penis unusable for anything except urination. Moreover, the effects of silicone injections are, for better or for worse, irreversible. The injection of silicone into the penis has a high chance of disrupting tissue, blood vessels and nerves, causing loss of sensation and the inability to achieve penetration. If you think that losing the ability to have sex is too high a cost for a bigger penis, you are right. A silicone injection enlargement gone wrong turns the penis in a fashion accessory that cannot be used for sex anymore. Other side effects include a high chance of inflammation and discoloration of the surrounding tissue. The silicone also tends to cause the formation of granulomas, which are nodules of inflamed, granulated tissue. Silicone is also known to migrate as drops of this substance spread throughout the body from the initial pocket of injected silicone. For this reason, the FDA has refused to approve the injection of liquid silicone into the body. This penis enlargement method usually makes the penis look abnormal and also leaves scars behind. Silicone can be removed from the body, but the procedure is very difficult, especially if migration has already occurred. Silicone injection is a far too risky approach, especially when there are many other safer and easier ones on the market. Using pills, patches or traction devices is more comfortable and less risky than bringing a hazardous substance inside your body. When too many things can go wrong, it’s time to choose another path. penis enlarement tip penis elargement drug vigrx pill homemade penile enlargement penile enlargment pic before and after penis enlagement procedure penis enhancement surgery cost free penis enlargment tip where to buy vigrx

Do you know which parts of women's body is their erogenous zones? Not sure? Today we will find out. Unlike men, women require a great deal of foreplay to get those juices flowing. Yes, for men, they became excited immediately visually and gets turn-on within seconds when their partner takes off their clothing, but on the other hand, women takes a longer time then man to get turns-on. Men have to learn to be patient in order to fully satisfy their partner. For women who haven't discovered your pleasure zones, get him to do it with you! Inner Thighs The inner thighs are usually ignored by women who are self-conscious of their cellulite as well as by men who get distracted by the main thoroughfare. For women, you should learn to let go of your inhibitions and instead introduce him to this potentially sensual zone. For guy, you must avoid biting hard as the soft tissues there bruise easily. You don't want to hurt your partner, right? So be gentle. Behind The Knee Gentle is the way to go when it comes to this area. As the skin there is sensitive and thin, being too rough will turn what could be arousing into really annoying. You won't want to get interrupted halfway due to your partner venting her frustration at you for being rough, right? So again gentle is the keyword. For women, you can ask him to lick the back of your knees gently and see if it works for you. Remember mutual communication is vital, tell him to stop nicely if you are feeling uncomfortable. Lower Back The back of women's body has lots of sensitive nerves and stress acupressure points. Guys, instead of going straight to massage her back, you can give her a slow, sensual backrub to loosen her body up. By doing this will increase the blood flow to the pelvic area and could even enhance arousal. Scalp And Neck Guys, do you know that that stress-busting hair salon head massage could work wonders in the bedroom too? Stroke her hair and gently massage her scalp as well as the back of her neck. She will enjoy it. Lips Obvious? Not really kissing on the lips is often overlooked during foreplay. Women, if you think that he doesn't kiss you enough, tell him nicely or you might want to take the lead by sucking on his puckers, teasing his mouth with your tongue or letting your lips linger longingly over his. How To Touch For Best Effect? Use this technique known as pattes d'araignee (spider's legs in French). It will works wonder! Using only your fingertips, stroke the hairs on your partner's skin so lightly. By touching so gently, you are creating an electric and erotic effect. How Can I Boost My Sex Life? An average or small penis will not be able to penetrate deeper into those sensitive nerve endings found on her private parts, thus women will not be able to enjoy immerse pleasure that a bigger and longer penis could. If you currently have an average or small penis, don't worry since you can do something about it and enhance your sex life. There are numerous scientifically proven ways to help you get a bigger penis. Examples are penis enlargement extenders, penis enlargement pills, penis enlargement exercises, penis enlargement patches. Why give her less than average sex, when you can do something and give her the best sex ever? free penis enhancement video vimax penis enlargement photo homemade penis enhancement penis enlagement before and after picture penis elargement pills product vimax truth about penis enlargement penis enlargment technique pnis enlargement device where to buy vigrx

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The condition known as hypothyroidism is when the thyroid gland does not function properly. This results in the body having reduced levels of thyroid hormone in it. Dry skin, hair loss, hoarseness, excessive menstruation, fatigue, lethargy, depression, intolerance to cold, constipation and weight gain are all symptoms of hypothyroidism. There are different causes of hypothyroidism, cretinism is a type of hypothyroidism that develops at birth and results in stunted growth and mental development. A common cause of hypothyroidism is Hashimoto’s thyroiditis which is an autoimmune disease of the thyroid gland. Damage done during radiation treatment or surgery to the thyroid gland to treat hyperthyroidism (an over active thyroid gland) is another common cause of hypothyroidism. Also some drugs, such as phenylbutazone and lithium, sometimes also cause hypothyroidism. Some people with an enlargement of the thyroid gland which is known as goitre have hypothyroidism. This is cause by an iodine deficiency which could be the result of eating too many foods that contain goitrogens such as rapeseed, cabbage, Brussels sprouts, broccoli, and cauliflower or by another disorder that effects the thyroid hormone production. A condition known as secondary hypothyroidism is cause by the hypothalamus or pituitary gland not stimulating the thyroid gland properly. Severe hypothyroidism is called myxedema. Extreme iodine deficiency is another possible cause of hypothyroidism but this is rare. Medical treatment of hypothyroidism consists of prescribing synthetic thyroid or desiccated thyroid hormone. Naturopathic practitioners like to use desiccated natural thyroid complete with all thyroid hormones. Thyroid hormone replacement is necessary in most cases of hypothyroidism. Changing the diet will help with hypothyroidism. Eating goitrogenic foods such as rapeseed, cabbage, Brussels sprouts, broccoli, cauliflower, sweet potatoes, maize, lima beans, soya and pearl millet should be limited. These foods contain natural goitrogens, which are chemicals that cause the enlargement of the thyroid gland by interfering with thyroid hormone synthesis. Cooking is known to make the goitrogens elements less effective but it would be wise not eat these foods raw. Foods that contain iodine such as kelp, beetroot, radish, parsley, potatoes, fish, oatmeal and bananas should be kept in the diet. In the treatment of underactive thyroid, fats, sugars, sodium chloride, red meat and egg intake should also be restricted. The relationship between iodine and thyroid is complex, iodine is needed by the body to form thyroid hormone, and goitre and hypothyroidism can occur through iodine deficiency. Extreme and prolonged iodine deficiency can lead to serious types of hypothyroidism, such as cretinism or myxedema. On the other hand, consumption of excessive iodine intake can result in either hypothyroidism or hyperthyroidism. The amount of 150 mg that is usually in multi-mineral supplements should be enough to stop iodine deficiency but not enough to do harm. The amino acid tyrosine is an essential part of the thyroid hormones and neurotransmitters; this has been found to be deficient in people with hypothyroidism. Practitioners often recommended a low dose of thyroxine such as 1000mg to correct hypothyroidism. People with depression also have low levels of tyrosine, this is why it has be linked to hypothyroidism. Vitamin A, vitamin B2, vitamin B3, vitamin B6, vitamin C, and vitamin E are needed for the synthesis of thyroxine. The B vitamins and copper are vital co-factors for tyrosine metabolism. Copper, iron, selenium and zinc are essential in the production of T3 from T4. Some herbs can help combat hypothyroidism, nettle will balance the thyroid with both under and over activity. Bladderwrack (Fucus vesiculosus) is a type of brown seaweed that contains iodine. Hypothyroidism due to small intake of iodine may possibly improve with bladderwrack supplementation; also kelp has been linked to helping with hypothyroidism. Some people with hypothyroidism have seen improvements by taking Chinese herbs. Another aspect to look at is chemical sensitivities. Research has shown an association between hypothyroidism and multiple chemical sensitivities. It was found that people with exposure to toxic heavy metals, polybrominated biphenyls and cardon disulfides through their occupations suffered from depression, fatigue, poor memory and constipation which are all symptoms of hypothyroidism. Another important factor in the treatment of hypothyroidism is exercise. Exercise increases tissue sensitivity to the thyroid hormone and stimulates thyroid gland secretion. This is especially true in people who are dieting; this is because when dieting the metabolic rate decreases but exercise prevents this decline. An exercise regime of between 15-20 minutes per day will be beneficial with hypothyroidism. This exercise needs to be strenuous enough to raise the heartbeat, an exercise such as walking, swimming, running and cycling. In conclusion, to combat hypothyroidism, it is best not to consume foods high in goitrogens especially raw but to increase foods high in iodine in the diet, to exercise daily for 20 minutes, to supplement the diet with multiminerals and multivitamins, B complex, vitamin C, manganese, tyrosine, kelp and iodine and to check whether sensitivity to chemicals are causing hypothyroidism. Some Chinese herbs may also help. The following supplements may help if you are suffering from Hypothyroidism. B vitamins complex Manganese Multivitamin and multiminerals Vitamin C Tyrosine Kelp Iodine