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

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

The loading of the ship must be done in accordance with（）.

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

When the wave period and the apparent rolling period are the same（）.

Manoeuvring information can not be obtained from（）.

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

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（）.

A tide is called diurnal when（）.