All personnel on board a vessel should be familiar with the rescue boat’s（）.

The commander of a rescue unit designated to co-ordinate search and rescue operations within a specified area is the（）.

Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.

By July, all hope of a private sector rescue was _____.

All lifeboats，rescue boats，and rigid-type liferafts shall be stripped，cleaned，and thoroughly overhauled at least once every（）.

Rescue and Recovery的功能包括（）

Rescue and Recovery高级选项包括哪几项（）

Put in boat plug and hand the fender and the puoy.（）

For the purpose of training and drills，if reasonable and practicable，rescue boats on an OSV must be launched with their assigned crew（）.

Never（）the lifeboat or lifecraft disengaging locks or hydrostatic release gears because it can cause them to fail to function.

Never（）the lifeboat or lifecraft disengaging hocks or hydrostatic release gears because it can cause them to fail to function.

If help has not arrived in 10-12 hours after abandoning a vessel in a rescue boat，you should （）.