A、guide the bosun's chair down a stay when applying a protective coating
B、run paint or tools up to a sailor in a chair with a heaving line
C、keep a bosun's chair from swinging with the ship's motion
D、reeve the gantline through
更多“When rigging a bosun’s chair，a tail block or lizard is used to（）.”相关的问题
A、Connect the shackle to the bosun's chair with a hook B、Never allow the shackle pin to ride on the stay C、Run the gantline through the shackle and then make fast to the bosun's chair D、Tie the bitter end of the gantline to the shackle before shackling it to the bosun's chair
A、When the towing vessel enters the fog B、When the drilling rig enters the fog C、When the towing vessel can no longer be seen from the rig D、Immediately
A、is rigged at an angle of 70°to 90°from the guy it assists B、takes the strain imposed on the schooner guy when burtoning cargo C、is rigged when lifting cargo that exceeds the SWL of a single whip D、should take the strain if the regular guy parts
A、Always secure the gantline to the chair with a bowline B、Always have the chair hoisted with at least three turns on a winch drum C、Any tools，paint pots etc．should be secured by lanyards D、When riding a stay，make sure that the bow of the shackle passes through the becket of the bridle
A、serves as a sea painter B、detaches from the liferaft automatically C、is used to rig the boarding ladder D、is cut immediately as it is of no further use
A、revise the operating manual when rig personnel change B、be fully aware of the provisions in the operating manual C、maintain the rig's construction portfolio D、All of the above
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