... there is a fire, the extinguishing agent, driven by nitrogen, will spray from the bottle and put ... (charged equipment fire). It is widely used to prevent and control fire in factory, school, restaurant, department, ... reel,Plastic rack etc. Manufactory 2 D). How to use-1kg dry chemical powder fire extinguisher Pull ... the reach of children, but easily accessible by others.4.Get it serviced once a year ...