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Exersises
I. Practise the following for pronunciation: canvas, appliance, phenol, benzene, ethyl, ether, powder, methyl, ammonia, formaldehyde, acetylene, gasoline, fibre, fault, varnish, lacquer, aluminium, kerosene, diesel, circuit, lithium, sodium, magnesium, titanium, ferrous, potassium, zink, circonium.
II. Read the international words: classify, group, produce, material, base, plastics, gas, product, electrical, conductor, metal, classification, effective, indicate, agent, group, textile, form, fact, result, lacquer, risk, normal, concentration, electrical, shock, contribute, ferrous, temperature, energized.
III. Read and translate the pairs of nouns and verbs: help-to help, fire-to fire, place-to place, use-to use, number-to number, flash-to flash, risk-to risk, base-to base, shock-to shock, cause-to cause, air-to air, form-to form, result-to result, range-to range.
IV. Give three forms of the verbs: may, classify, involve, help, indicate, place, explain, result, group, flash, consider, range, have, dry, contribute, ignite.
V. Read and translate words of the same root: classify – classification, include – inclusion – inclusive – including, protect – protection – protective – protector, indicate – indication – indicative – indicator, extinguish – extinguishment – extinguisher, explain – explanation – explanatory, relate – relation – relationship – relative – relativity, contribute – contribution – contributor, ignite – ignition – igniter, divide - division – divided – divisible.
VI. Put the adjectives in the comparative and superlative degrees: common, certain, flammable, combustible, important, effective, broad, many, large, normal, short, near-by, easy.
VII. Choose the translation of the underlined words: purpose 1. преследование 2. очищение 3. цель ______________________________________________________________ equipment 1. равнозначность 2. уравнение 3. оборудование ______________________________________________________________ substance 1. пригород 2. вещество 3. замена ______________________________________________________________ present 1. хранить 2. приготавливаться 3. представлять собой, являться ______________________________________________________________ involve 1. включать в себя 2. вкладывать 3. приглашать ______________________________________________________________ consider 1. укреплять (ся) 2. соглашаться 3. считать, полагать ______________________________________________________________ flammable 1. цветущий 2. воспламеняемый 3. текущий ______________________________________________________________ unconscious 1. потерявший сознание 2. неконтролируемый 3. неопределенный hazardous 1. ненавистный 2. благородный 3. опасный ______________________________________________________________ знание 1. kingdom 2. knowledge 3. kindness ______________________________________________________________ частота 1. freedom 2. friction 3. frequency ______________________________________________________________ волокно 1. fever 2. fiber 3. fiction ______________________________________________________________ влиять, быть причиной 1. cease 2. cause 3. call ______________________________________________________________ следовать 1. follow 2. fall 3. fold ______________________________________________________________ течь 1. flower 2. float 3. flow ______________________________________________________________ горючий 1. combinative 2. comfortable 3. combustible ______________________________________________________________ подобный 1. simple 2. similar 3. sincere ______________________________________________________________ железистый 1. fertile 2. festive 3. ferrous ______________________________________________________________ VIII. Match the synonyms: a) purpose, place, nearby, mainly, broad, protection, often, indicate, similar, combustible, because of, help, substance, use, classify, manufacturing, consider, should, include, common, firefighting, important. b) significant, think, wide, determine, assist, usual, like, frequent, locate, near, chiefly, production, aim, involve, flammable, employ, matter, group, fire combat, must, defence, due to.
IX. Match the antonyms: a) common, certain, important, effective, often, broad, use, combustible, base, dry, after, flammable, heavy, high. b) seldom, top, uncommon, narrow, ineffective, before, incombustible, wet, unimportant, low, non-flammable, disuse, uncertain, easy.
X. Read and translate the noun groups: ethyl ether, petroleum products, fuel oil, water base, fire risk, flash point, fire protection activity. XI. Find the proper word and translate the sentences: 1. Fire is a chemical ….. between matter and the oxygen. react – reaction – reactionary. 2. Fires of class “A” ….. common combustible materials. involve – involving – involved. 3. Many materials may be ….. as fuels. class – classify – classification – classifying – classified 4. Flames can be inhibited …… chemistry – chemical – chemically. 5. Under various conditions the same fuel has different…… characteristics. burn – burner – burning – burnt. 6. At the beginning of fire wood can ……. large quantities of smoke. produce – production – producing – produced.
XII. Fill in the blanks with one of the following words: similar, give off, the firemen, eguipment, purposes, organic, involving, combustible, extensively, cause, present, easily, often, oxygen, metals 1. For firefighting ….. fire may be classified in four groups. 2. Class “A” fires are fires …. common combustible materials. 3. Class “B” fires are fires involving flammable liquids, gases, oils and …. products. 4. Class “C” fires are fires involving energized electrical …… 5. Class “D” fires are fires involving …… metals. 6. The knowledge of fire classification helps …… in the fire protection activity. 7. Wood is very ….. involved in fires. 8. Textiles are used …… 9. A large variety of ……. substances are used in manufacturing plastics. 10. Flammable liquids are those that …… flammable vapours. 11. Most paints …… a high fire risk. 12. Any gas that burns in the normal concentrations of ……. in air is a flammable gas. 13. Electrical equipment may …… electrical shock or burns to firemen. 14. …….. are considered to be unflammable. 15. Finely divided metals are …… ignited at high temperatures. XIII. Match the nouns from the right column with the adjectives from the left column in accordance with the text:
textile – related materials organic groups flammable concentrations normal agent ferrous liquids broad substancies common variety similar fires electrical metals high products effective equipment
XIV. Put general questions to the following sentences: 1. Fire may be classified in four groups. 2. The knowledge of fire classification is very important. 3. Class “A” fires involves common combustible materials. 4. Almost all the textiles are combustible. 5. Flammable liquids give off flammable vapour at 26,7 0C. 6. The petroleum products are considered to be combustible liquids. 7. Electrical equipment may cause electrical shock. 8. Spark of ferrous metals can ignite nearby combustible materials.
XV. Choose the proper variant: 1. Fire may be classified in a) numerous groups b) four groups 2. Class “A” fires are fires involving a) ashproducing materials b) flammable liquids 3. Class “B” fires are fires involving a) rubber and certain plastics b) flammable gases, liquids, etc 4. Class “C” fires are fires involving a) energized electrical equipment b) oil, greases and similar products 5. Class “D” fires are fires involving a) energized electrical equipment b) combustible metals
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