Вопрос № 912017 - Английский язык

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The fundamental purpose of a door is to provide access into or out of a building. Doors also serve for providing access into or out of various compartments of a building. Doors also have the following functions. They provide security, weather resistance, fire-resistance, thermal insulation, sound insulation. As to exterior doors, they must be well-designed and properly constructed. They must not leak air, wind, heat and water.
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The fundamental purpose of a door is …

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The functional purpose of a door is to provide access into or out of a building. 1 _______. Doors also have the following functions. 2 _______.
1. Security;
2. Weather resistance;
3. Fire-resistance;
4. Thermal insulation;
5. 3 _______.
As to exterior doors, they must be well-designed and properly constructed. 4 _______.

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In modern times bricks can be made of concrete, mortar, of burnt clay and of a combination of some other substances. For example, different types of clay and shale can be used as raw materials. Accordingly, bricks produced nowadays have different sizes, shapes, colours, and textures. Bricks also vary with the method of fabrication and temperatures of burning. It should be noted that some types of brick, such as, for example, salmon bricks are underburnt and highly porous. Naturally, their strength is extremely poor. This property of salmon brick should be taken into account when choosing brick material for construction. But there exist many other types of brick that are extremely strong and almost glass hard. Between these extremes there lie some other types of brick with different properties. Brick properties are of great importance and should be taken into account while choosing material for construction purposes.
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Different types of clay and shale …

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The Egyptian pyramids are famous symbol of ancient Egypt. The stone structures were usually tombs for pharaohs. The pyramids have square bases with sloping sides which meet at an apex. The first pyramid was built in about 2600 BC and is over 140m high. One of the biggest pyramids is made of enormous stone blocks which weigh up to 200 tons each. It is estimated that 20–25,000 people worked for 20 years to build each pyramid.
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The first pyramid was built in …

Заполните пропуски в инструкции следующими словами:
1. Don’t 1_______ here.
2. This material is 2_______.
3. Wear goggles 3_______ your eyes.
4. This 4_______ is corrosive.

Заполните пропуски в инструкции следующими словами:
1. To protect the 1_______, goggles must be worn.
2. To protect the head, a 2_______ must be worn.
3. To prevent electric shocks, the power must be 3_______.
4. 4 _______ burns to the hands, rubber gloves must be worn.