Выберите слова или словосочетания для заполнения пропусков так чтобы они отражали особенности оформл...: ответ на тест 975672 - Английский язык

Выберите слова или словосочетания для заполнения пропусков так, чтобы они отражали особенности оформления служебной записки:

Выберите слова или словосочетания для заполнения пропусков так, чтобы они отражали особенности оформления служебной записки:

Выберите слова или словосочетания для заполнения пропусков так, чтобы они отражали особенности оформления служебной записки:

Выберите слова или словосочетания для заполнения пропусков так, чтобы они отражали особенности оформления служебной записки:

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Plastic Materials
1. Plastic materials are not found in nature. Plastic is formed by extrusion or injection molding under very high pressure. It can be molded into any desired shape. Organic plastics are divided into two general groups: thermosetting and thermoplastic. The thermosetting group becomes rigid through a chemical change that occurs when heat is applied. These plastics cannot be remolded. The thermoplastic group remains soft at high temperatures and must be cooled before becoming rigid. This group is not used generally as a structural material.
2. Plastics are rapidly becoming important construction materials because of their great variety, strength, durability and lightness. Plastics are light. The benefits of light weight coupled with good strength and absence of corrosion offer tremendous potential as alternatives to traditional building materials. A given volume of polythene weights less than one-eighth of an equal volume of iron and less than half of the same volume of aluminum.
3. Plastics are used in the industry and in the household: from rockets and electronics to toys and house ware. Plastic products offer many advantages over the materials they replace, such as ease of handling, lower maintenance costs and rapidity of assembly. The insulation and dielectric properties of plastics led to their early use in the electrical engineering industry, which was followed by special application in mechanical engineering.
4. Using of plastics as materials for a construction in the form of sheets, rods or tubes is substituting the conventional metals. Plastics offer a lot of properties for the designs. Plastics have now been developed to such an extent that they can be applied to almost every branch of building, from the laying of foundations to the final coat of paint.
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Early Christian and Byzantine Architecture
1. The architecture of Byzantium, or Eastern Roman Empire, was the culmination of Early Christian architecture. This style can be traced back to the period after 330 BC. The art characteristic of the developed Byzantine Empire had enormous influence on both East and West, spread widely and lasted throughout the Middle Ages until the fall of Constantinople to the Turks in 1453.
2. The dominant Byzantine art was architecture. It was characterized by round arches, elaborate columns, richness in decorative elements and colour. But the chief contribution of the Byzantine style to the architecture of the world was large pendentive-supported dome. Brick was the main material used for the construction of Byzantine churches. It was covered externally with plaster and internally with thin marble facing and mosaics above.
3. The Byzantine style reached a high point in the reign of the Emperor Justinian (527-565). He built and rebuilt 26 churches, many hospitals, bridges aqueducts, and fortress. The outstanding masterpiece of Byzantine church architecture is Hagia or Saint Sophia in Constantinople (now Istanbul). Hagia Sophia remained unique and no attempts were thereafter made by Byzantine Builders to emulate it. Its chief feature is the huge dome, approximately 32.6 m in diameter, rising 56 m above the floor. It’s carried on pendentives. There are also half-domes at two ends which are, in turn, carried by smaller semidomed exedrae. The interior surface of the edifice is richly decorated.
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