Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel? ()
A、Lower the stern ramp,raise/open the stern door,turn on ventilation for cargo holds
B、Turn on ventilation for cargo holds,raise/open the stern door,lower the stern ramp
C、Turn on ventilation for cargo holds,lower the stern ramp,raise/open the stern door
D、Raise/open the stern door,lower the stern ramp,turn on ventilation for cargo hold
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