1 help fire extinguisher. Pull. Is a deep carve out a fire extinguisher, if do not pull out the twist, then pull the pin will come off
2. Discharge is to disconnect the injection of fire extinguisher out by capturing the end of the hose and pull out
3.Press, press, press the cars squeeze of fire extinguisher for use in chemical tank fire
4. Wave. At the end of the hose is shaking back and forth to fire. Should be injected to the base of the fire or point of origin. Should not be injected over the flame.
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