Which of the following is NOT a part of the PASS protocol for using fire extinguishers?

The PASS protocol is a widely recognized method for operating fire extinguishers effectively and safely. The acronym stands for Pull, Aim, Squeeze, and Sweep, which guides the user through the steps necessary to effectively put out a fire.

The first step, "Pull," involves removing the pin from the handle of the extinguisher, which allows it to be activated. The second step, "Aim," requires directing the extinguisher's nozzle toward the base of the fire, which is crucial because it targets the source of the flames rather than the flames themselves. The third step, "Squeeze," entails pressing down the handle to release the extinguishing agent. Finally, "Sweep" means moving the nozzle side to side at the base of the fire until it is completely out.

Since "Shut" is not part of the PASS protocol, it is the correct response to the question. Understanding these steps is important for anyone using a fire extinguisher in an emergency, as this protocol enhances effectiveness and safety during fire-fighting efforts.