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

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

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

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

Where would you find information about the time of high tide at a specific location on a particular day of the year?（）

The helm command PORT TWENTY means（）.

It is dangerous for vessels without the operational radar（）the estuary.

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

The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.

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