Unit 8 (20). FIRE FIGHTING

Date: 2015-10-07; view: 535.

C. 4. Translate the text Classification of Fires using a dictionary

Fires are divided into four classes: Class A fires involve ordinary combustible material, Class B fires involve flammable liquids, Class C fires are electrical in nature, and Class D fires include combustible metals and normally take place in an industrial setting.

There are many preventive measures that can be taken to protect against the destruction of a fire. Early fire warning detection devices play a major role in reducing the incidence of fire. There are two dif­ferent types of early warning detection systems: the smoke detector and the sensory detector.

There should be a fire extinguisher in every residential dwelling. Purchasers of fire extinguishers must be certain that they have selected extinguishers that will be effective against the class of fire most likely to occur in their environment. Not only is it important to have the proper kind of extinguisher, but people must know how to operate such devices before the occurrence of a fire.

Grammar:

4. Subjunctive Mood § 71

5. Infinitive § 55

6. Бессоюзное подчинение § 50

A. 1. Read and translate the following international words: category [΄kætigəri], bacteriological [bæk,tiəriə¢lɔdʒikəl], brigade [bri¢geid], initiative [i′niòiətiv]