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“Fire Safety Awareness” and Fire Extinguisher Training for Fairfax County DPWES ... - page 23 / 37

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1/23/2015

DPWES - FireSafety

23

HOW THEY WORK:

Works by blanketing the fuel.

Interrupts chemical reaction at fuel surface.  

Class B ratings signify the area in square feet of flammable liquid fire which the unit will extinguish when used by a “non-expert.”

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