4 Essential Methods for Extinguishing Fire | Fire Safety Awareness Understanding how fire can be extinguished is crucial for workplace safety, emergency preparedness, and daily life. The 4 essential methods are based on breaking the fire triangle/tetrahedron: 1 Cooling (Removing Heat) Reducing the temperature below the ignition point (e.g., using water). Cooling: Reducing the temperature of a fire below the burning point. 2 Smothering (Removing Oxygen) Cutting off the oxygen supply to stop combu