Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.

There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.

I’d like to know something about the cargo condition at the loading port（）detail.

The weather is often（）in a high-pressure area.

（），you can’t finish discharging tomorrow!

How（）the cargo at loading port?

What is meant by veering the anchor chain? （）

You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear（）.

I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.

The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? （）