Foam: These extinguishers work on both Class A and B fires. The foam agent works on Class B fires by separating the fuel and the oxygen by creating a seal on the surface of the flammable liquid. However, these extinguishers will only be effective when the flammable liquid is not free-flowing.
I thought no water on class B? So wouldn't answer be C?
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Darioarg78
3 years, 1 month agomysteryy
3 years, 2 months ago