Вопрос № 1072308 - Английский язык

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Engineers in industry work not only with machines but also with people, to determine, for example, how machines can be operated most efficiency by 1_______. This is called ergonomics. The aim of 2_______ is to make the working place more comfortable and the work easier. A small change in the location of the controls of a machine or of its position with relation to other machines or 3_______, or a change in the muscular movements of the operator, often results in greatly increased production. Ergonomics looks for criteria for the efficient design of large, complicated control panels that monitor 4_______ reactor operation.

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Electricity has become highly important in our modern world. It has made our work easier and our life more comfortable.
In agriculture electricity is being used in many ways. It is especially widely applied in animal buildings for lighting and for operating different machines such as barn cleaners, feed conveyers, automatic ventilators and automatic waterers.
Electric energy is more economical than any other forms of energy. Electricity operated machines save time and labour, increase labour productivity and improve the quality of work.

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Materials Science and Technology is the study of materials and how they can be fabricated to meet the needs of modern technology. Using the laboratory techniques and knowledge of psychics, chemistry, and metallurgy, scientists are finding new ways of using metals, plastics and other materials.
Engineers must know how materials respond to external forces, such as tension, compression, torsion, bending, and shear. All materials respond to these forces by elastic deformation. That is, the materials return their original size and form when the external force disappears.

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In order to have shelter provided with modern services and accommodations, people all over the world use many different construction materials and arrange them into different constructions. Since prehistoric times these constructions have served as shelter and accommodation for a man, a group of people, a family, a few families, many families, an organization, or an enterprise.
What are the branches modern civil construction has? Among the branches the main ones are housing construction, construction of industrial enterprises, construction of railroads, highways, subways, construction of bridges, dams, ports, canals, construction of different sporting facilities.

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Metals began to be widely used as construction materials not so long ago. Before the beginning of the nineteenth century metals played little structural role in the process of building. Mostly they served for joining parts of buildings. The ancient Greeks and Romans are known to use bronze for joining slabs of stone.
It was only in the eighteenth century when the first all-metal structure was built in Europe. It was a cast-iron bridge across the river Severn in England. The strength of the bridge turned out to be so great that now, more than two centuries after its construction, it still carries heavy modern traffic across the Severn.
In the first half of the nineteenth century cast iron and wrought iron were introduced and used for industrial construction in Europe and North America.

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The main functions of windows are light and ventilation. 1_______. In those faraway days windows were frequently produced in shops. 2_______. What are the necessary components of a window? 3_______. The area of glass in windows of different types is determined according to the regulations. 4_______.