Using a fire extinguisher is crucial when flames block your exit - remember PASS: Pull, Aim, Squeeze, Sweep.
The scenario where you need to use a fire extinguisher is when there are flames preventing you from exiting the building. In such a situation, using a fire extinguisher can assist in creating a path to safety. Remember the acronym PASS: Pull the pin, Aim at the base of the fire, Squeeze the trigger, and Sweep from side to side.
https://brainly.com/question/44319347