What should you do if the fire does not go out after using a Type B extinguisher?

Using a Type B extinguisher is specifically designed to tackle flammable liquid fires, such as those involving oils, gasoline, or solvents. If the fire does not go out after using the extinguisher, the most prudent and safety-conscious action is to evacuate the area and call for professional help.

This choice is valid because attempting to fight a fire that has not been subdued can put your safety at risk. Fires can quickly escalate and become uncontrollable, especially if they involve hazardous materials or if they have spread to a larger area. By evacuating, you remove yourself from potential danger, and alerting professionals ensures that trained firefighters with the appropriate equipment can effectively handle the situation.

Additionally, using water to cool the area may inadvertently exacerbate the fire, as water can react dangerously with certain flammable liquids. Continuing to discharge the extinguisher until empty could lead to exhaustion of your resources while the fire may still pose a threat. Simply leaving the area with the hope that it will self-extinguish is not a safe or responsible course of action, as most fires require intervention to be extinguished effectively. Therefore, seeking professional assistance after ensuring your safety is the most responsible response when initial extinguishing efforts fail.