Firefighting push fire extinguishers, also known as portable pressure-stored dry powder fire extinguishers, contain powdered ammonium phosphate, which can effectively extinguish fires of flammable gas, electrical, oil, wood, cotton and other types. When using a Portable Fire Extinguisher, the Fire Extinguisher should be brought to the vicinity of the fire site, standing upwind of the fire, the safety pin should be pulled out, the nozzle should be held tightly with one hand, the pressure handle should be held tightly with the other hand, and the nozzle should be aimed at the root of the flame to sweep. For liquid fires (such as gasoline and alcohol), the fire should be swept from near to far at about 10 cm above the liquid surface, covering the burning surface and cutting the flame to avoid directly spraying the liquid surface and causing the fire to expand.
In addition, the use of push fire extinguishers by firefighting is particularly important in the early stages of a fire, because the fire area is small and the temperature is low at this time, which is convenient for firefighting and the loss is small. In the early stages of a fire, as long as the opportunity is not missed, the fire can be extinguished with very little manpower and fire-fighting equipment, even a bucket of water and a fire extinguisher, to reduce losses. Therefore, mastering the correct method of use is crucial to effectively control and extinguish early fires.
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