A.echo sounder
B.radar
C.direction finder
D.radiotelephone
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A.in bridge
B.on the deck
C.in the radio room
D.on the hold
A.with
B.on
C.by
D.for
A.the last port
B.the home port
C.the port of registry
D.the final port the voyage
A.rig
B.make
C.bring
D.put on
A.before
B.after
C.ago
D.since
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