At least（）radar transponder shall be carried on each side of every cargo ship of 500 gross tonnage and upwards.

The safest procedure used to rig a guy and preventer is to have the guy（）.

An intermediate spring is（）.

SOLAS is the abbreviation of（）.

The Charterers shall have the privilege to ship dangerous cargo in accordance with（）Code or any competent authorities’ regulations，as applicable.

When rigging a bosun’s chair，a tail block or lizard is used to（）.

You are preparing to slush a stay on your vessel by lowering yourself down the stay in a bosun’s chair.The proper way to do this is to ride down the stay on a riding shackle（）.

As you hold a piece of manila line vertically in front of you，the strands run from the lower left to the upper right.Which type of line is this（）.

When a davit-launched raft is lowered from a ship，upon becoming waterborne，the raft is released by（）.

Cribbing is（）.