A、salt water and a wire brush
B、caustic soap
C、mild soap and fresh water
D、a holystone
更多“Fire hose should be washed with（）.”相关的问题
A、are made of bronze，brass，or soft alloy metals B、should be painted red in order to identify hose lengths C、are specially hardened to prevent crushing D、should be greased frequently
A、are made of bronze, brass, or soft alloy metals B、should be painted rad in order to identify hose lengths C、are specially hardended to prevent crushing D、should be greased frequently
A、use different fire hose pressures B、use fire hoses of different sizes C、not attack the fire from opposite sides D、not wear protective clothing
A、The hose should not be twisted B、The hose should be protected with a sleeve if it is subjected to rubbing C、There should be some slack in the hose D、All of the above
A、A.fire pumps B、B.fire mains C、C.hydrants and hoses D、D.closing appliances which are kept permanently closed at sea
A、fire hose might be damaged by cargo operations B、vessel is in port C、fire-main system is not charged D、fire pumps are used for purposes other than supplying water to the fire main
A、using a 2-1/2 inch hose B、there is an outlet for the smoke and heat C、the fire is totally contained by the ship's structure D、at least two fog streams can be used
A、threads are lubricated B、nozzle is attached to the hose C、female coupling has a gasket D、hose is led out
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