Answer :

Final answer:

Fire extinguishers in public buildings serve to control and extinguish fires using specific steps.


Explanation:

Fire extinguishers are installed in public buildings to control and extinguish fires, protecting life and property. They work by releasing chemicals that either smother the fire or interrupt the chemical reaction of the fire triangle. The four basic steps to use a fire extinguisher are pulling the pin, aiming the nozzle, squeezing the trigger, and using a sweeping motion to put out the fire.


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