The objectives of（）are to ensure safety at sea, prevention of human injury or loss of life, and avoidance of damage to the environment,in particular to the marine environment and to property.

Metal drums should be stowed（）with dunnage between tiers.

A.athwart
B.on end
C.bilge and cantline
D.bed

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Which of below device has the maximum coverage range（）

A.AIS
B.Radar
C.VHF
D.LRIT

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