Fire extinguishers are one of the primary fire extinguishers used in extinguishing fires. They are used according to the fire class. Aqueous (A), dry chemical powder (ABCE), foam (AB), and carbon dioxide fire extinguishers (BCE) are used for extinguishing class fires.

A - Class fires: Solid materials (Fires of solid materials such as wood, cloth, paper).
B - Class fires: Liquid substances (liquid fuels, flammable substances such as flammable chemical solutions).
C - Class fires: Gases (Methane, propane, LPG (flammable and explosive gas such as liquefied petroleum gas) fires).
E - Class fires: Electricity (Fires that occurred in the electrical network).