The company should establish and maintain procedures to control all documents and date which are relevant to（）.

Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.

Before any loading takes place any signs of the previous cargo should do（）.

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.

Bales close to the deckhead should be covered to prevent（）.

Which of the following is not an operation mode of AIS?（）

How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）

Berthing means bringing a vessel to her berth until（）.

ECDIS must be able to perform all of the following EXCEPT（）.

（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.