2020-05-12
590
 |
1. Firemen __ their equipment to be ready to respond to a fire as
quick as possible. to keep fit 2. Modern facilities __ at the station.
10
3. A child __ about the danger of playing with a fire.
4. The teacher __ the pupils about the exam.
5. New and more efficient methods of firefighting __ by our scientists.
6. The researchers __ new less hazardous means of fire extinguishment in this laboratory.
to warn
 | |
 |
to develop
7. The fire safety engineer __ the time of the next fire inspection.
8. After leaving a fire service college he __ a station officer.
9. Fire __ all over the city.
10. All his belongings __ in the fire.
SPEECH PRACTICE EXERCISES
Answer the following questions.
to appoint
to burn
1. What did ancient people think of fire?
2. What is oxidation? Can you give examples of this process?
3. How many stages are there in the development of a fire?
4. What is the first stage of fire development?
5. What sources of heat does the fire have at the beginning?
6. What is the second stage of fire development?
7. How will the temperature in the fire area rise when the fire breaks into open flame?
8. What is the third stage of fire development?
9. What is called combustion?
10. What is evolved during the process of combustion?
11. What is the usual supporter of combustion?
12. What other gases may support combustion beside oxygen?
13. What substances are called combustible?
14. What requirements are necessary for combustion?
15. What will make combustion fiercer?
|
|
|
16. What do most materials require to bring them to their ignition temperature?
17. Is it necessary to heat the whole of the fuel to its ignition temperature to start a fire? Why?
18. What should be done in order to extinguish a fire?
19. What is fire tetrahedron? What elements does it include?
11
