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

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

What is it called when it is possible to ignite the vapour above the oil?（）

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

The ISM code is part of（）.

The circulation around a low pressure center in the Northern Hemisphere is（）.

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

Fog is likely to occur when there is little difference between the dew point and the（）.

Full details of all lights and fog signals are shown on（）.

Shipboard Emergency Drills must be carried out at least（）on board cargo ship.