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

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

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

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

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

Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）

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

（）is where the crew eat their meals.

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

（）is on the panel of radar.