After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.

After being rescued from the vessel accident，the people agreed that they had much to（）.

When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.

The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.

The latest known details of lights are given in（）.

The Coast Radio Stations are found in（）.

A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.

An inflatable liferaft should be manually released from its cradle by（）.

On an Atlantic Ocean voyage from New York to Durban，South Africa，you should expect the Agulhas Current to present a strong（）.

What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.