Three-character fire extinguisher

Fire extinguisher, simple structure. Operation will be easy to master.
Safety pin, pull it out first. One hand, holding the nozzle.
One hand, holding handle. With pressure, dry powder spray.
Before use, up and down. Dry powder loose, open valve spray.
Flame root, to align. Swing around, near and far.
Push quickly and the fire is off. No residue, prevent renewed.

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