火灾发生初期,火势较小,如能正确使用好灭火器材,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 The initial fire, the fire is small, if the correct use of good fire-fighting equipment, the fire will be eliminated in the early stages, will not cause the 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. Due to a variety of fire extinguishing equipment built-in off