A.is a deck fitting used to shackle gear to the deck
B.permits easy jettisioning of deck cargo in an emergency
C.prevents stress concentration in the bulwark
D.provides opening through the bulwark for mooring lines
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A.deck fitting used to secured mooring lines
B.casting fitting at the side of a weatherdeck, used as a fairlead
C.sharp block of wood used to support hygroscopic cargo
D.smoke pipe for the galley stove
A.reading the gage pressure
B.weighing the extinguisher
C.discharging a small amount of CO2
D.seeing if the seal has been broken
A.bow thruster
B.cargo gear
C.steering engine
D.rudder
A.must utilize magnatic courses
B.must take set and drift into account
C.should be replotted hourly
D.should be started each time the vessels position is fixed
A.bitt
B.bollard
C.capstan
D.cleat
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It is dangerous for vessels without the operational radar（）the estuary.
Bales close to the deckhead should be covered to prevent（）.
In the Northern hemisphere northerly winds may cause temperature（）.
The dew point temperature is（）.
A tide is called diurnal when（）.
The ISM code is part of（）.
The loading of the ship must be done in accordance with（）.
（）is on the panel of radar.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
When steering by autopilot,how often should the steering be checked?（）