Установите последовательность предложений чтобы получился связный текст. Suspended plaster ceilings ...: ответ на тест 1104928 - Английский язык

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Suspended plaster ceilings have been in use already for several decades. 1_______. Suspended ceiling is a finish ceiling. 2_______. Among them the most widely used are gypsum, board, plaster, and various boards made of fibers. 3_______. Ceilings produced of fibrous materials are classified as acoustical ceilings. 4_______.

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Ceilings are considered to be extremely 1_______ parts of any room. A well-designed ceiling is one of the most pleasing features of a 2_______. In modern constructions the variants of ceilings are limitless. Ceilings can be produced of many various materials both 3_______ and artificial. Their colours, texture, pattern, and shapes are of great importance for the visual impression of the room. Ceilings of any materials may be attached to wood joists. Usually they are 4_______ very carefully and tightly.

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Classification and design of walls are divided into two categories: external and internal construction. 1_______. The function of external walls is to support the upper floors and roof. The units employed for construction of walls are brick, timber, or stone. 2_______. Their main function is dividing the space of the construction. 3_______. Their next function may be to transmit floor/ roof loads to a foundation. 4_______.

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Floors belong to one of the most important functional components of a building. 1_______. It depends on whether a hard or soft flooring is used. Floors also react in various ways with light. 2_______. As to dark flooring materials, they absorb light and this absorption makes a room darker. 3_______.
Floors are subject to moisture, dirt, and dust. They are also subject to the action of feet and the load of furniture. 4_______.

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When can water penetrate a wall? Three conditions are necessary. Firstly, there must be water present at the outer face of the wall. Secondly, there must be a crack or a hole in the wall through which the water can move. And thirdly, there must be a force that will move the water through this opening. If any of these conditions is absent, water will not penetrate a wall.
In what way can one keep water away from the walls of a building? One can eliminate all the openings from the wall in order to make a wall watertight.
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One can eliminate all the openings from the wall in order …

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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 …