A.subtle B.dental C.brittle D.scuttled
A.the CO2 being inhaled by personnel B.reflash of burning liquids C.vapor condensation on the extinguisher D.the discharge causing a static spark
A.life boat B.helicopter C.fire-fighting D.medicine
A.can fit any size hose B.converts a stream of water into a fog C.increases the amount of water reaching the fire D.can spray two streams of water at the same time
A.refractory B.the screen wall C.the water wall D.fire plate