單項(xiàng)選擇題

After extinguishing a fire with C02,it is availabe to（）.

A.use all CO₂ available to cool the surronding area
B.stand by with water or other agents
C.thoroughly ventilate the space of CO₂
D.jettison all buring materials

你可能感興趣的試題

單項(xiàng)選擇題

After putting on a self-contained breathing apparatus, you open the air supply and hear a continuous ringing of a bell.What does this mean?（）.

A.The unit is working properly
B.The face mask is not sealed properly
C.The air bottle needs to be refilled
D.The air supply hose has a leak

單項(xiàng)選擇題

After using a C0₂ portable extinguisher,it should be（）.

A.put back in service if some CO₂ remains
B.hydrostatically tested
C.retagged
D.recharged

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

After extinguishing a fire with C02,it is availabe to（）.

你可能感興趣的試題

After putting on a self-contained breathing apparatus, you open the air supply and hear a continuous ringing of a bell.What does this mean?（）.

After using a C02 portable extinguisher,it should be（）.

After using a C0₂ portable extinguisher,it should be（）.