ник4774

22.05.2021 04:14

Английский язык

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Хоть несколько предложений, ! найдите в предложении сказуемое, определите время и залог сказуемого ( страдательный или действительный). 1. fire alarms help warn people about fire danger. 2. class c fires are effectively controlled by removing the oxygen. 3. sprinklers and drenches are fixed fire protection installations. 4. the function of a breathing apparatus is to enable people to work in an atmosphere that doesn’t support life. 5. class b fires are controlled with application of fire suppressants. 6. this fire alarm system meets all the modern requirements. 7. fire departments are organized in a system of administration, services, training and operations. 8. hazardous materials are usually kept far from a fire source. 9. members of a fire brigade give first aid to the people who are injured or shocked. 10. the first automatic electric fire alarm was invented in 1890 by fransis robbins upton. 11. commercial smoke detectors are installed in 93% of us homes and 85% of uk homes. 12. in small theatres a safety curtain is not usually required. 13. by 1883only about 10 factories in the us were protected by the parmelee sprinklers. 14. the invention of a fire hydrant is generally credited to frederick graff, chief engineer of the philadelphia water work in 1800. 15. the modern development of industry has produced many hazardous materials which explode violently on contact with water. 16. fire alarms help warn people about fire danger. 17. sprinklers and drenches are fixed fire protection installations. 18. the function of a breathing apparatus is to enable people to work in an atmosphere that doesn’t support life. 19. this fire alarm system meets all the modern requirements. 20. hazardous materials are usually kept far from a fire source.