After extinguishing a paint locker fire using the fixed CO2 system，the next action is to have the space（）. A:opened and burned material removed B:left closed with vents off until all boundaries are cool C:checked for oxygen content D:doused with water to prevent reflash

After extinguishing a paint locker fire using the fixed CO₂ system，the next action is to have the space（）.
A:opened and burned material removed
B:left closed with vents off until all boundaries are cool
C:checked for oxygen content
D:doused with water to prevent reflash

出自：海船船员证

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