Air pressurised water extinguisher are suitable for fires?

Air pressurised water extinguishers are suitable for Class A fires, which involve ordinary combustible materials such as wood, paper, and cloth. They are not suitable for Class B (flammable liquids) or Class C (electrical) fires, as water can spread the fire or pose a risk of electric shock. It is important to use the correct type of extinguisher for the specific type of fire to ensure effective and safe extinguishment.