A.increase their strength
B.provide drainage from the decks
C.relieve deck stress
D.All of the above
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A.contents of the container
B.list of the vessel
C.size of the shoreside crane
D.weight of the container
A.add strength to the bilge well strainer
B.permit rapid flow of water to the bilge wells
C.prevent cargo sifting into the bilge wells
D.preven oil, water , or other liquid from reaching the cargo
A.the customs
B.the register bureau of shipping
C.the shipyard fire department
D.a certified gas chemist
A.stanchion
B.brackets
C.web frames
D.deck stringers
A.assist in drydock alignment
B.improve the vessel's stability
C.protect the vessel from slamming against piers
D.reduce the rolling of the vessel
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It is dangerous for vessels without the operational radar（）the estuary.
The dew point temperature is（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Fog is likely to occur when there is little difference between the dew point and the（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Full details of all lights and fog signals are shown on（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
A tide is called diurnal when（）.
In the Northern hemisphere northerly winds may cause temperature（）.