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■ <br />out of pressurized propellant after about 30 seconds. Even if you have made good progress with <br />extinguishing the fire you are fighting, the extinguisher could run out and you could find yourself in <br />serious trouble. Forthis reason, the safest way to approach time duration with an extinguisher is to give <br />yourself no more than 15 seconds of firefighting time with the extinguisher. <br />Firefighting basic technique — PASS method —The PASS method is a universally accepted method for <br />fighting fires with portable extinguishers. Below Is an illustrated explanation of the PASS method: <br />n <br />Air tl--b"Rfrngursher or nozzle <br />t base of the fire <br />squeeze the handle and: release <br />4, <br />extinguishing agent <br />veep the extinguishers from side <br />to side across the base of the fire <br />until it appears to be out <br />For your safety, always keep your back to a clear emergency exit route so that you have a means of <br />escape if the fire gets out of control or re -ignites. Remember, you may believe that the fire is completely <br />out, but increased wind outdoors or other fuel sources could quickly re -ignite the fire. Unless you are <br />completely sure that the fire is out, it is always best to call in the fire department to make sure, <br />especially when there is danger of a fire spreading. <br />23 <br />