Прочитайте текст и ответьте на вопрос: Water is not used in refrigerators. Why Water is not used in ...: ответ на тест 1046349 - Английский язык

Water is not used in refrigerators because it evaporates too slowly. Ether, another refrigerant, is never used in domestic refrigerators since it is both poisonous and inflammable. However, it is sometimes used for industrial refrigeration because it evaporates very fast. Freon is usually used in domestic refrigerators as it evaporates fast, is non-toxic, and non-flammable.
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Why is water not used in refrigerators?

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Water is not used in refrigerators. Why?
Water is not used in refrigerators because it evaporates too slowly. Ether, another refrigerant, is never used in domestic refrigerators since it is both poisonous and inflammable. However, it is sometimes used for industrial refrigeration because it evaporates very fast. Freon is usually used in domestic refrigerators as it evaporates fast, is non-toxic, and non-flammable.

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Some measuring instruments are fitted with dials. To prevent incorrect readings, always read the dial correctly. Read the deal from directly in front so that the reflection is behind the needle. If the dial is not viewed from the front the reading will be incorrect.

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Numerals are signs or symbols for graphic representation of numbers. The earliest forms of numerical notation were simply groups of straight lines, either vertical or horizontal, each line corresponding to the number 1. Such a system was inconvenient when dealing with large numbers.

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The combinations of two or more different materials are called composite materials. They usually have unique mechanical and physical properties because they combine the best properties of different materials. For example, a fibre-glass reinforced plastic combines the high strength of thin glass fibres with the ductility and chemical resistance of plastic. Nowadays composites are being used for structures such as bridges, boat-building etc.

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The most important metal in industry is iron and its alloy – steel. 1_______. It is strong but corrodes easily through rusting, although stainless and other special steels resist corrosion. 2_______. Steels of low carbon content (mild steels) are quite ductile and are used in the manufacture of sheet iron, wire and pipes. Medium-carbon steels containing from 0.2 to 0.4 per cent carbon are tougher and stronger and are used as structural steels. 3_______. High-carbon steels contain from 0.4 to 1.5 per cent carbon, are hard and brittle and are used in cutting tools,
surgical instruments, razor blades and springs. 4_______.