Вопрос № 230454 - Английский язык

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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 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 ships of the 18th Dynasty had a single mast that always consisted of two poles.

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The construction of similar ships makes it impossible to employ procedures which take advantage of repetitive processes.

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The propeller serves to visualize cavitation.

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The practical radar system is used on ships to locate other ships and land when visibility is reduced.