Question

generally Fire extinguisher are installed in public buildings what is its function how does it work

Answer 1

The function is that to extinguish fire from places.There is a carbon dioxide chemical in it, that extinguish fire from the place.As you know the fire needs oxygen to lit up.

Answer 2

Fire extinguisher are installed in public places so that if the fire is caused it can be controlled by it.
The principle behind fire extinguisher is that it contains carbon dioxide in it. The carbon dioxide forms enormously on the fire and acts as a fire extinguisher. and it extinguishes the fire.

pls mark it as a brainliest