The specific steps of using the fire extinguisher are as follows:
1. Turn the bottle upside down several times before use to loosen the dry powder in the cylinder
2. Then remove the lead seal
3. Unplug the fuse
4. Hold the nozzle with the left hand
5. Hold the pressure handle with the right hand
6. At a distance of two meters from the flame, press the handle with the right hand, hold the nozzle with the left hand and swing it left and right, and spray dry powder to cover the burning area until the fire is completely extinguished