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

A tide is called diurnal when（）.

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

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

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

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

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

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

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

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