A.a helment
B.safety cap
C.an ear plug
D.face mask
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A.Safety helmets
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B.Buoyance aids
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A.Safety helmets
B.Goggles and sepctacles
C.Breathing aparatus
D.Safety suits
A.Safety helmets
B.Goggles and sepctacles
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D.Gloves and safety boots
A.Safety helmets
B.Goggles and sepctacles
C.Breathing apparatus
D.Gloves
最新試題
Which of the following is not an operation mode of AIS?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
The mean draft of a ship is the draft（）.
The loading of the ship must be done in accordance with（）.
Before any loading takes place any signs of the previous cargo should do（）.
When steering by autopilot,how often should the steering be checked?（）
What is it called when it is possible to ignite the vapour above the oil?（）
ECDIS must be able to perform all of the following EXCEPT（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.