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

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

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

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

A tide is called diurnal when（）.

The dew point temperature is（）.

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

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

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

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.