Вопрос № 348059 - Английский язык

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There are 1_______ types of chisel for metalwork and for woodwork. Woodwork chisels have a smaller angle at the point of the tool although this is suitable for soft materials such as 2_______, a tool point with a small 3_______ is too weak for hard materials. 4_______ metal, a stronger point is necessary, so the angle is greater at the point of a metalwork chisel.

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There are 1_______ types of chisel for metalwork and for woodwork. Woodwork chisels have a smaller angle at the point of the 2_______. Although this is suitable for soft materials such as 3_______, a tool point with a small angle is too weak for hard materials. To cut metal, a stronger point is necessary, so the angle is greater at the point of a 4_______ chisel.

Прочитайте текст и заполните пропуски подходящими по смыслу словами 1_______ metals are based on iron. They are usually 2_______ with carbon because it increases the strength of 3_______ and makes it much more useful to the engineer. Slight variations in carbon content can make very great differences in the properties of the metal. Wrought iron is a ferrous metal with carbon content of less than 0,05 %. Chains and 4_______ can be produced from this alloy.

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Riveting is a 1_______ of joining metals 2_______. The process consists of drilling or punching the metal plates, inserting the rivet and then 3_______ it by compression force. There are several standard 4_______ of rivet heads with different uses.

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Man has always tried 1_______ his standard of living by changing his surroundings and by making tools to simplify the everyday tasks necessary for his existence. At first, the only 2_______ he could use were those he could see around him – stone, wood and so on. He survived in competition with other animals because of his abilities with his 3_______ and their coordination with his brain. Because he did not have 4_______ and speed of some animals, his survival depended on his skillful use to get food and to keep him warm and safe.

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A variety of housing has been provided in new towns, including two-storey houses, bungalows, flats and maisonettes. The greatest demand is for 1_______ with gardens. Many families moving to the new towns have previously lived in overcrowded conditions in flats or rooms in the centres of cities and want the space and freedom of a house and 2_______ where children can play in safety. In view of this preference, care is taken to provide houses of varied 3_______ types, avoiding monotony and ensuring privacy. Houses may, for example, be built in courts, closes, terraces or other groupings and set various distances from, and angles to, roads. A number of 4_______ such as bricks and cements of different colours and panels of natural timber are also used.