02/24/2014

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Vacuum Equipment: New Opportunities Absolute emptiness or vacuum. It is sometimes not entirely clear phenomenon, as well as three thousand years ago, still worrying the minds of many scientists. And if the earlier dialogues were the possibility of its existence, but now the opportunities it application. How to vacuum phenomenon we see every day: CRT TV, a thermos, light bulbs, vacuum cleaner, glass ... These creature comforts we have become accustomed, and a rare one of us thinks about their mechanisms and especially on role in their "emptiness." Also, do not guess that the non-vacuum technique, in principle, impossible, and many other processes. For example, we would never have known about nuclear physics, as well as at normal atmospheric pressure, the isotopes unable to share, we would not have been able to artificially create sapphires and rubies or join ceramic to metal. All these merits of the "useful void" is truly admirable. But the development of vacuum technology is not standing still. Moreover, today it is one of the priorities of modern industry. And one of the most popular technologies rarefied environment can rightly be considered to apply it in various coatings, from decorative to functional. For example, in plastic vacuum systems can become stronger because of it deposited on the metal layer, or more beautiful because of the layer of gold. With the help of vacuum equipment toned glass, reflective coating is applied to the reflective products (eg car headlights), protect and repair details of various equipment by depositing pyrolytic coatings karbidohromovogo. Application of the films in the manufacture of microchips, increased corrosion resistance of metal products, mass production of mirrors ... - And all this will be only a small part of what today offers a "vacuum." A If we add to this bold statement of scientists that mankind is not known,...
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DSP Sheets What is a plywood? Plywood - a material consisting of bonded layers of specially treated wood. Generally, plywood is made from three or more layers of veneer, which are superimposed on each other so that the fibers placed at right angles. From this it becomes stronger than plywood. Plywood used in construction, decoration, roofing and plywood production mebeli.Klassifikatsiya If this material is classified, the first thing is to say that plywood is of four varieties, which differ in quality and are characterized by the number of allowable defects. Possible length of the defects of first grade plywood should not exceed 20 cm, Class II cracks 20 cm, insertion of the timber and seepage of the adhesive area of up to 2% of the total area. For the third Class wormholes up to 10 per square meter. Fourth grade - it's poor quality plywood, which can be found defects in the edges of sheets, fused or fallen twigs, and similar violations of the structure. In addition to this classification, plywood varies by application, durability and appearance. All of this affects her stoimost.Kakuyu plywood is better to use? Advantages and disadvantages of the material advantages of this construction material are obvious - the strength, hardness, surface - some types of plywood for strength compared with metal coating, easy to use (as well as ease of body weight), flexibility, ability to keep warm, and many others. Today plywood used in construction of buildings for decoration both outside and inside. To to choose the right plywood you need, you need to know exactly what you want to use it. Knowing the original data, you can pick up the plywood, which will last longer and will be safe to use. For lining building from the outside is more appropriate or bakelite laminated plywood. It can...