When steering by autopilot,how often should the steering be checked?（）

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

The mean draft of a ship is the draft（）.

A tide is called diurnal when（）.

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

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

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

（）is on the panel of radar.

Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.

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