You detect oil around your tank vessel while discharging. The first thing to do is（）.<br>A:try to find out where the oil is coming from<br>B:call the master<br>C:have the pumpman check the discharge piping<br>D:shut down operations

You detect oil around your tank vessel while discharging. The first thing to do is（）.
A:try to find out where the oil is coming from
B:call the master
C:have the pumpman check the discharge piping
D:shut down operations

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