A.oil leakage in engine-room
B.hot work (welding, cutting, etc)
C.static electricity
D.all of the above
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A.the three elements of fire and explosion
B.lower and upper flammable limits
C.classification of flies and applicable extinguishing agents
D.All of the above
A.use self-contained breathing apparatus
B.use various types of portable fire extinguishers
C.effect a rescue in a smoke-filled space wearing breathing apparatus
D.All of the above
A.served
B.serving
C.surveyed
D.surveying
A.Stop loading
B.Notify the harbour administration
C.Determine if the vessel is the source of the pollution
D.Start the main engine and put them in gear to disperse the spill
A.both；and
B.whether；or
C.neither；nor
D.because；so
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