单选题Fire prevention during welding or burning aboard any vessel should include （）.Aposting a fire watch in the immediate areaBproviding an extinguisher which is ready for immediate useCrequiring the fire watch to remain on post for 30 minutes after the completion of welding or burningDAll of the above
单选题
Fire prevention during welding or burning aboard any vessel should include （）.
A
posting a fire watch in the immediate area
B
providing an extinguisher which is ready for immediate use
C
requiring the fire watch to remain on post for 30 minutes after the completion of welding or burning
D
All of the above
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