Question

How does Xextinguish the fire

Answer 1

by reducing the concentration of oxygen around the circumstances of fire by spraying carbon di oxide

Answer 2

Smother if electrical. Use only water/Type A extinguisher if gas is the source. Douse a fire in fireplace with baking soda, water or Type A extinguisher if fire is up in the chimney. Use only dried woods (less smoke, dirt), never flammable liquids