A.it provides cooling as a secondary effect B.works well on extinguishing electrical fires C.can be used to combat combustible metal fires D.All of the above
A.salt water and a wire brush B.caustic soap C.mild soap and fresh water D.a holystone
A.crewman's duty list B.Certificate of Inspection C.shipping articles D.muster list
A.cross connection line between two main fire lines B.special wrench for tightening couplings in a fire hose line C.tackle rigged to support a fire hose D.None of the above
A.it is impractical to locate them outside B.there is also a control valve outside C.the CO2 cylinders are also in the space D.an automatic heat-sensing trip is installed
