火灾发生初期,火势较小,如能正确使用灭火器材,就能将火灾消灭在初起阶段,不至于使小火酿成大灾,从而避免重大损失。通常用于扑灭初起火灾的灭火器,类型较多,使用时必须针对火灾燃烧物质的性质,否则会适得其反,有时不但灭不了火,而且还会发生爆炸。由于各种灭火器材内装的灭火药剂对不同火灾的灭火效果不尽相同,所以必须熟练地掌握灭火器在扑灭不 The initial fire, the fire is small, if the proper use of fire-fighting equipment, the fire will be eliminated in the early stages, will not cause a small fire into a catastrophe, so as to avoid major losses. Fire extinguishers, which are usually used to extinguish the initial fire, are of many types. When used, they must be directed against the nature of the material burnt by the fire. Otherwise, they will be counterproductive, sometimes not only extinguishing the fire but also exploding. As a result of a variety of fire-fighting equipment contained in the fire extinguishing agent for different fire extinguishing effect is different, it is necessary to master the fire extinguisher in the fight not