Four steps for using fire extinguisher
Dry powder fire extinguishers can be used to extinguish ordinary fires, such as fires caused by paper products, clothing products, firewood, and liquid fuels such as gasoline and diesel. At the same time, fires caused by some electrical appliances can also be used. However, dry powder fire extinguishers will produce solid sodium carbonate and other objects after use, which will not only be corrosive, And it will block the channel of some precision instruments, so dry powder fire extinguishers are generally not used for precision electrical appliances and precision instruments
