A.stopping the flow of gas
B.reducing the chemical chain reaction
C.increasing the oxygen supply
D.cooling below the autoignition point
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A.burner valve
B.root valve
C.quick closing valve
D.oil return valve
A.paint thinner in an open can
B.fuel accumulation in the bilge
C.oily rags in an unvented compartment
D.gasoline stored in steel drums
A.foam
B.CO2
C.low velocity water fog
D.high velocity water fog
A.close the vent
B.pump out the tank
C.activate the fixed CO2 system
D.cut off the heating coils
A.the lifting appliance can always lift the freight within its rated load
B.attention should be paid in order not to break the wedge when lifting cargo
C.sometimes the lifting work needs other assistance other than the lifting appliance
D.lifting work should be done with every part fit, tightness or adhesion
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