Which one is not important for your safety on board ship?()
A、A.know where the lifejacket is stowed
B、B.know where the life-saving craft are fitted on the ship
C、C.know the escape routes
D、D.Good professional knowledge
A、A.know where the lifejacket is stowed
B、B.know where the life-saving craft are fitted on the ship
C、C.know the escape routes
D、D.Good professional knowledge
A、A.The vessel which has the other on her own starboard side B、B.The vessel which has the other on her own port side C、C.The one which hears the other's fog signal first D、D.Neither vessel is the stand-on vessel
A、one fixed power pump and one portable hand pump B、one fixed hand pump and one portable hand pump C、two portable hand pumps D、either "A" or "B"