If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, which of the following actions should be taken FIRST?（）<br>A:Close the valves at the transfer manifold<br>B:Notify the person in charge of the shore facility<br>C:Shut down the transfer operation<br>D:Sound the fire alarm

If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, which of the following actions should be taken FIRST?（）
A:Close the valves at the transfer manifold
B:Notify the person in charge of the shore facility
C:Shut down the transfer operation
D:Sound the fire alarm

出自：海船船员证

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