Halon from extinguishers used on a class B fire，should be directed（）.<br>A:at the top of the flames<br>B:at the base of the fire near the edge<br>C:in short quick bursts<br>D:toward the upwind side of the fire

Halon from extinguishers used on a class B fire，should be directed（）.
A:at the top of the flames
B:at the base of the fire near the edge
C:in short quick bursts
D:toward the upwind side of the fire

出自：海船船员证

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