2. Give definitions of such terms: fire, class a, b, c, d fires, fire gases, flame, heat, smoke, smothering.

3. Write the annotation to the text.

4. Compare the classifications of fires in Ukraine and the usa.

Exercise 14. Translate the sentences. Pay attention to the word “one”.

1. Their old car is much better than our new one. 2. She’s the one person I trust. 3. The opposition is at one with the government on this issue. 4. One should do one’s duty. 5. I’m not usually the one to complain. 6. The officer is the one who gives the orders. 7. He’s my one and only friend. 8. Fuel is one of the elements that create fire. 9. This method of fire suppression will be more effective than that one. 10. One can use water to extinguish this fire.

Exercise 15. 1) Give the plural form of the following nouns. Make up sentences using them.

Source, layer, basis, body, change, deer, grease, roof, photo, process, nucleus, plastic, metal, material, datum, liquid, fireman, businesswoman, foot, child, crisis, radius, analysis, phenomenon, formula, sheep, ox, length, inch, tooth, boy, tomato, knife, passer-by, boy-friend, sister-in-law, aircraft, bureau, stadium, circus.

2) Paraphrase the following word combinations using possessive case. Make up sentences using them.

Profession of my brother, job of his sister, address of her parents, the car of our teacher, the room of your children, negligence of people, attitude of their friend, clothing of firefighters, the task of that inspector, behaviour of an applicant, achievements of scientists, advice of our rector, condition of the victim, the equipment of the rescuer, the books of these students, telephone number of this cadet, resume of that man, point of view of employer, questions of interviewers, salary of employees, failure of a person.

Exercise 16. Put the verbs in brackets in the necessary tense form.

1. If you (to remove) the fuel, the fire will not exist. 2. Light (to be) a form of energy. 3. Firefighters (to turn off) the fuel supply and suppressed the fire. 4. Flame (to become) hotter when it is mixed with the increased amounts of oxygen. 5. These flammable liquids (to be) not soluble. 6. Our fire department (to have) 10 fire engines. 7. When he graduates from the Academy he (to work) at the regional administration. 8. Flammable gases (to become) noncombustible with the addition of an inert gas. 9. There (to be) only 3 fire engines available last year. 10. They (to fight) fire two hours ago.

Exercise 17. Make the sentences negative. Put general and alternative questions.

1. He is a teacher of fire prevention. 2. My friend studied at the Academy of Fire Safety. 3. These women work at the Fire Safety Department. 4. It often rains in Great Britain. 5. Firefighters will pump the flammable liquid from a burning tank. 6. We took part in this conference. 7. They were at the airport when I called them. 8. I thought about it much. 9. They always do everything in time. 10. The scientists will finish the experiment in two months.

Exercise 18. Put the questions to the italicized words.

1. Class A fires involve ordinary combustible materials. 2. There are three primarily types of natural fuels. 3. Oxidizers include oxygen-rich salts. 4. The term “fire gases” refers to the vaporized products of combustion. 5. The extremely high temperature of the burning metals made water ineffective. 6. His cousin was a firefighter. 7. The temperature increased greatly. 8. They will extinguish fire soon. 9. The fuel undergoes chemical change when it burns. 10. Water reduces the temperature of the burning material below its ignition temperature.

Exercise 19. Put disjunctive questions to the sentences.

1. Smoke is a visible product of incomplete combustion. 2. Oxygen, heat and fuel create a fire. 3. My parents saw him last month. 4. We measure heat in degrees of temperature. 5. Class B involves fires in flammable liquids, greases and gases. 6. We do not have agent available that effectively controls fires in all combustible metals. 7. The director fired her yesterday. 8. My father-in-law doesn’t work. 9. The firefighters will be at the fire scene in 5 minutes. 10. The fire engine will not come in time.

Exercise 20. Translate the sentences, make them interrogative and negative.

1. The article was translated. 2. His speech was listened to with great interest. 3. The doctor will be sent for. 4. This question will be discussed the next week. 5. This research work is carried out in our laboratory. 6. The results of his work were presented at the conference. 7. His book is much spoken about. 8. My question was answered at once. 9. I was told about it only yesterday. 10. You will be spoken to later.

Exercise 21. Make the sentences passive.

1. A group of scientists joined us later. 2. He gave me a new task. 3. The professor often refers to this article. 4. We will send for his mother. 5. Water will absorb heat. 6. He usually answers the letters at once. 7. He drives the ambulance car. 8. I will meet the delegation. 9. Release of energy accompanies combustion. 10. We always discuss new films.

Exercise 22. Make the sentences active.

1. Definitions of some terms are given by the author. 2. Many qualified specialists were prepared by our Academy. 3. The fire will be extinguished by the process of smothering. 4. The child was saved by the firefighter. 5. Heat will be carried away from a fire by radiation and convection. 6. This fire is controlled by a non-conducting extinguishing agent. 7. Soluble materials will be diluted by water. 8. Heat is carried away by radiation. 9. The cover was placed on the pan by him. 10. Flammable gases are diluted by an inert gas.

Exercise 23. Translate the following sentences.

1. Про цю подію багато говорили. 2. Йому пропонують нову роботу. 3. Наш інститут був збудований у 1973 році. 4. ЇЇ книжку буде видано наступного року. 5. Воду використовують для зменшення температури. 6. Стаття буде присвячена одній із найважливіших проблем. 7. Особлива увага приділяється різним методам пожежегасіння. 8. В тексті описуються вогнегасні властивості води. 9. Наукова робота була написана колективом авторів. 10. В статті характеризуються чотири класи пожеж.

Exercise 24. Correct the mistakes.

1. Flame are the visible luminous body of a burning gas. 2. Fire is a chemical reaction. He is known as combustion. 3. Fuel undergo chemical change when it burns. 4. There are 3 method of fire suppression. 5. We has no agent available that effectively controls fires in all combustible metals. 6. Heat is measure in degrees of temperature. 7. Methods of fuel removal includes turning off the fuel supply. 8. A fire do not exist without fuel. 9. Emulsifying agent mixed with the top layer of the flammable liquid and stop the vaporization. 10. You will extinguish grease in a frying pan if you will place a cover on it.