A.water B.foam C.the range hood extinguishing system D.fire dampers
A.punt used for painting over the side B.small, reciprocating steam engine C.spool-shaped drum fitted on a winch D.swinging derrick
A.must be wet before it will release B.should be kept in a watertight except in an emergency C.will inflate the raft in its cradle if operaterd manually D.must be submerged to a certain depth to release automatically