A.It needs not to be regularly replaced
B.It is designed to protect from possible impact
C.It is required to be worn on deck at all times by all ships
D.fibreglass hardhat should not be used on board ships
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A.know where the lifejacket is stowed
B.know where the life-saving craft are fitted on the ship
C.know the escape routes
D.Good professional knowledge
A.lifejacket
B.SCBA
C.lifeboat
D.torch
A.Life jackets
B.Survival at Sea manual
C.lifeboat
D.torch
A.will remove all the toxic fumes from the air
B.has the greatest cooling ability
C.will leave no harmful residue
D.completely removes combustible vapors from the air
A.soda acid
B.foam
C.CO2
D.sand
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