In this method, the supply of air is cut off by forming a foam at the surface of fire.

The principle of fire extinguisher is cut off the contact between the fuel and oxygen to control Fire.

Water should not be used for extinguishing oil fires because oil is lighter than water. oil forms a thin layer over the surface of water and flows with the water, thereby spreading fire to larger areas.

Sand or soil and carbon dioxide.

A flame is the shining zone in which a combustible gaseous material undergoes combustion producing heat and light.