1 kg of powdered extinguisher filled with fire extinguishing powder based on monoammonium phosphate is suitable for extinguishing all types of fires.

A class of fires - the most common fires occur when ordinary materials burn: wood, paper, rubber, plastic, or textiles. B class of fires - burning liquids: gasoline, alcohol, paint, or oil. C class of fires - burning gases: hydrogen, acetylene, hydrocarbons.