1. P: PULL the pin.
2. A: AIM the extinguisher nozzle on the hose low, toward the base of the fire.
3. S: SQUEEZE the handle or lever to discharge the extinguisher.
4. S: SWEEP the nozzle back and forth. Keep the fire extinguisher aimed at the base of the fire and move it from side to side until the flames are extinguished.
It is called the PASS system - P.A.S.S. Remember PASS and you will remember how to use a fire extinguisher properly in any fire emergency