You are asked to explain the working of fire extinguisher in your class
by your teacher. How are you going to explain it with labelled diagram?
it urgent my online exam is going on of 9 th standard
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They work by smothering the fire: when you spread a thin layer of foam over a fire, you cut the fuel off from the oxygen around it. Foam extinguishers also help to absorb heat, since the cool foam they release contains a lot of water.
I'm in class 8 still I've answered 9th class question so please mark me as brainly
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