An on-load release system on a survival craft means the cable can be released（）.

A stopper is（）.

If a davit-launched life raft aboard a vessel cannot be launched because of damage to the davit，you should（）.

Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.

The helicopter deck of a ship must be marked with the units identification，appropriate aiming circles，and a continuous line on the perimeter which is（）.

A stay is（）.

Is it safe（）a rocket?

A tackle is two blocked when the blocks are（）.

A sweep oar is an oar that is（）.

If you were to pass a stopper on a wire rope，what should the stopper be made of?（）