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

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

The ISM code is part of（）.

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

A tide is called diurnal when（）.

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

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

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

In the Northern hemisphere northerly winds may cause temperature（）.

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