单项选择题

If a cargo of kerosene were considered too lean to explode，then it must be（）.

A.above the explosive range
B.within the explosive range
C.below the explosive range
D.None of the above

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单项选择题

A.deep tanks／lower holds
B.lower holds／tweendecks
C.tweendecks／deep tanks
D.deep tanks／tweendecks

单项选择题

A.trailers
B.rolling vehicles
C.containers
D.All of the above

单项选择题

A.solid packing
B.rapid loading and discharge
C.vessel loaded full and down to her marks
D.palletized cargo