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What's the procedure for use of the main engine room fire extinguishing system, e.g.CO2 system?
A.
Search the engine room, make sure all personnel is out. -Stop ventilation. - Close for all air access. -Upon approval of the master, release the CO2
B.
Seach the engine room, make sure all personnel is out. -Stop ventilation. -Close for all air access. -Release the CO2
C.
Release the co as soon as possible without prewarning
D.
Release the co upon the order of the engineer on duty