Вопрос № 911996 - Английский язык

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The Empire State Building was built in 1931 in the United States of America. Its construction took about two years. The exterior of the sky-scraper is supported by a framework produced of steel. It should be noted that 60,000 tons of steel were used for its production. The Empire State Building is considered to be one of the tallest and spacious constructions of the world. It can be attended by 80,000 people simultaneously.
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How much time did the construction of the Empire State Building take?

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The Empire State Building was build in 1931 in the United States of America. Its construction took about two years. The exterior of the sky-scraper is supported by a framework produced of steel. It should be noted that 60,000 tons of steel were used for its production. The Empire State Building is considered to be one of the tallest and spacious constructions of the world. It can be attended by 80,000 people simultaneously.
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How much time did the construction of the Empire State Building take?

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Concrete being a universally used material, its new 1_______ are being constantly produced. Among others there exists concrete with 2_______. Its main quality is that it is made up of materials that emit gas and foam during the process of mixing the aggregates with water. It should be taken into account that concrete of this 3_______ possesses relatively light weight. It is mostly used for producing slabs, walls panels, and frame constructions. As we know, decrease in weight leads to a considerable decrease in strength. This quality is classified as a 4_______ disadvantage of cellular concrete.

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The quality of 1_______ is known to depend on the properties of materials it consists of. The amount of constructing materials is also of great importance. Among the kinds of concrete used in 2_______ construction there are plain concrete and reinforced, or ferro-concrete. The usage of plain concrete is practically 3_______. As to ferro-concrete, it is mostly used for construction of foundations, 4_______, girders and beams. This kind of concrete is also rather popular for constructing bridges, dams and dock walls.

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Plywood 1_______ materials are widely used in modern construction business. They are 2_______ because of their light weight and their relative cheapness. The cost of the material per unit area of wall is usually less than for other siding materials. Besides, the labor costs are also relatively low. The reason for it is the fact that large 3_______ of plywood are more quickly installed than the boards of the same area. In many cases, if it is necessary, the sheathing can be eliminated from the building if 4_______ is used for siding. This operation, if it is performed, leads to further cost saving.

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Wood belongs to naturally growing 1_______. It is known to be the oldest construction material and is still widely used for different 2_______. Wood is popular since it has low 3_______ and is easy to work. Besides, it grows naturally and is cheap. But its 4_______ is limited because of its disadvantages: it easily burns and decays. As to stone, it also belongs to the oldest building materials. Among its disadvantages there are strength, high heat insulation and fire-resistance.