What does 'PASS' stand for in the context of using a fire extinguisher?

In the context of using a fire extinguisher, 'PASS' is a mnemonic device that provides a simple and effective method for responding to a fire emergency. The correct interpretation involves the sequence of actions to take when operating a fire extinguisher.

The first step, "Pull," refers to removing the safety pin that ensures the extinguisher cannot be accidentally discharged. This step is crucial because it allows you to activate the extinguisher safely.

Next, "Aim" instructs you to direct the nozzle at the base of the fire. This is important as targeting the base of the flames is where the fuel is located, making it more effective to suppress the fire.

The third step, "Squeeze," means you should squeeze the handle to release the extinguishing agent. It's vital to apply the correct amount of force, as continuous squeezing activates the discharge of the agent.

Finally, "Sweep" indicates the motion you should use while spraying the extinguisher. Sweeping from side to side at the base of the fire helps to cover the area effectively, allowing for the agent to smother the flames.

Together, the steps of Pull, Aim, Squeeze, and Sweep provide a clear, memorable protocol for safely and effectively using a