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4. Find correct Russian translation of English words. Compose sentences with them on the topic of the text. Find unnecessary words

cooling 1. потолок

space 2. обеспечивать

maintain 3. отопление

removal 4. Окружающая среда

contamination 5.паровое отопление

loss 6. определение

precise 7. получать, изобретать

equal 8. равный

heat supply 9. применение

environment 10. удаление

to obtain 11. потеря

determination 12. точный

provide 13. загрязнение

steam heating 14. охлаждение

ceiling 15. поддерживать

16. пространство

17. топливо

5. Define which of these statements contain the main idea of the text

1. The human being loses heat by conduction and convection. 2. Heating is a branch of engineering which is concerned with providing heat supply to produce a desired temperature within a space. 3. A hot-water system consists of the boilers and a system of pipes.

6.Put these sentences in order according to the text

I. Fuels used for heating buildings. 2. Some old concepts of heating. 3. The principle of central heating.

7. Find the correct answer to these questions. Prove your opinion

1.What are heating and ventilation concerned with?

a) Heating and ventilation deal with supply and removal of air; b) Heating and ventilation are concerned with providing a required atmospheric environment within a space; c) Heating and ventilation are meant for heat supply to produce a desired temperature.

2.Why do industrial buildings maintain a lower air temperature?

a) Industrial buildings maintain a lower temperature because it is necessary for the machinery they have; b) Industrial buildings where the degree of activity is high maintain a lower air temperature because the heat loss from the body is greater and a compensatory heat balance is provided; c) Industrial buildings maintain low temperatures because they have great amount of outside wall space and lose considerable amounts of the heat supplied.

3.What is the basic advantage of panel heating?

a) The basic advantage of panel heating is that of comfort; b) The basic advantage of panel heating is that of heat being uniformly disseminated: c) The basic advantage of panel heating is its low cost.

8. Which paragraphs deal with these questions? Give brief explanations to each of them

1. What makes panel heating so very comfortable? 2. What does a hot-water system consist of? 3. What is the most widely used system of heating?