Final answer:
The code word PASS stands for Pull, Aim, Squeeze, and Sweep, which is a procedural acronym for correctly using a fire extinguisher.
Step-by-step explanation:
The code word PASS refers to the operation of a fire extinguisher. PASS is an acronym that stands for Pull, Aim, Squeeze, and Sweep. This is a four-step procedure advisable to use when operating a fire extinguisher to put out a fire. 'Pull' refers to pulling the pin that prevents the extinguisher from accidentally discharging. 'Aim' means pointing the extinguisher nozzle toward the base of the fire. 'Squeeze' involves compressing the handle to release the extinguishing agent. Finally, 'Sweep' suggests moving the nozzle side to side to cover the area of the fire until it's completely out.