What is the correct action for "fuel removal" in fire extinguishment?

The correct action for "fuel removal" in fire extinguishment is clearing away flammable materials. This approach directly addresses one of the key components of the fire triangle: fuel. By removing or eliminating materials that can catch fire or contribute to the spread of flames, firefighters can significantly reduce the fire's ability to sustain itself. Fuel removal is one of the most effective methods to control and extinguish a fire, as it reduces the potential for re-ignition and helps to prevent the fire from spreading to other areas.

The other approaches mentioned, such as cutting off the electricity supply, spraying water, or using foam, play important roles in fire suppression but do not specifically focus on the removal of fuel. Cutting off electricity can help eliminate electrical hazards but does not address the combustible materials present. Spraying water primarily serves to cool the fire and reduce heat, while foam is used to smother flames and prevent oxygen from reaching the fire. However, neither of these methods directly removes the fuel source, which is essential for effective firefighting.