The dew point temperature is（）.

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

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

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

It is dangerous for vessels without the operational radar（）the estuary.

（）is where the crew eat their meals.

A tide is called diurnal when（）.

Manoeuvring information can not be obtained from（）.

The helm command PORT TWENTY means（）.

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