A.engine room bilges
B.main switchboard
C.paint locker
D.rag bin
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A.only if fixed containment is not used
B.only if portable containment is not used
C.only if fixed containment drains are open
D.whenever the vessel is being bunkered
A.plugging all scuppers and drains
B.placing floating booms around the ship
C.regularly emptying all drip pans
D.thoroughly draining all bunkering hoses
A.wash down the area immediately with a fire hose
B.wash down the area with kerosene
C.cover the area with absorbent material
D.cover the area with foam
A.transmitting the heat of a fire through the ship s metal
B.burning liquids flowing into another space
C.heated gases flowing through ventilation systems
D.the transfer of heat across an unobstructed space
A.Acetylene
B.Lube oil
C.Grease
D.All of the above
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（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
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