First you should pull the pin at the end of the handle, then hold the bottom of the extinguisher with one hand and with the other, press hard the handle to eject extinguishing agent from the can to suppress fire.

• 使用灭火器应当首先拔出位于压把根部的保险销，之后一手托住灭火器底座，一手用力按下压把，使灭火器从罐内喷射出来扑灭火灾。