The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

DSC distress relays can be transmitted by either（）or（）.

I cannot make head or tail of these instructions _____ the packet. Can you explain them to me?

Please wireless to let me know（）I am to anchor or to meet pilot.

Excuse me, can I smoke here？（）

M: Excuse me, I'm sorry to bother you. ______ a 10 note?　　W: Sorry, I can't unless you buy something here.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

A （）can give power to hoist or lower cargo.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.

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.