VI. Ответьте на вопросы к тексту

1. Where can plastics be applied?

2. What are the main raw material for plastics?

3. What advantages do plastics have?

4. What advantages do plastics products offer?

5. Where is decorative plastics used?

6. What exterior work are plastics recommended for?

Задания для самостоятельной работы Вариант 5

1. Сопоставьте слова

Beam	сжатие
Loads	рельеф
Tensile	выемка грунта
Bending	древесное волокно
Shear	вяжущее вещество
Fiber	сгибание
Compression	балка
Excavation	растягивающий
Topography	груз
Binding agent	сдвиг

2. Переведите слова с английского языка на русский язык.

general, modern, remove, application, formwork, humid, ratio, selection, reaction, admixture

3. Переведите слова с русского языка на английский язык.

степень , ограничивать, конструировать, немедленно, избыток, цемент, бетон, частицы, строительство, производство

4. Переведите предложения с английского языка на русский язык.

1. Using concrete without cement is impossible.

2. The company started new project.

3. He insisted on adopting a new plan.

4. Concrete may be made on a building site.

5. Cement products are difficult to decorate with oil paints.

6. To determine the time of setting is important for further work.

7. This company bought new equipment.

8. They always supply us with the best building materials.

9. Limestone is used for making quicklime and cement.

10. Cement should be kept dry.

5. Переведите текст с английского языка на русский язык.

Concrete

Concrete is the most common building material for modern construction practice. It consists of cement used as a building agent and aggregate, for example crushed stone and sand.

These components are mixed with water. The cement is hardening and thus making the particles of the aggregate adhere close to each other. The setting and hardening of concrete are due to chemical reactions between the cement and mixing water. The concrete is filled into the framework immediately after mixing and is then compacted.

Good concrete is influenced by the following factors:

1. Cement, which should be of superlative quality.

2. Aggregate, which should be carefully selected, graded and proportioned.

3. Water-cement ratio. Surplus water weakens the strength of the concrete.

4. Workmanship in mixing, placing and finishing the concrete.