It doesn't. They are completely banned under modern fire codes.
However, the operation is this: when you invert the can, the weak acid solution mixes with the bicarbonate soda inside the top lid, creating a carbon-dioxide gas under pressure, pushing the acid solution out the hose and (hopefully) onto the burning materials.
Extinguish means "put out", so a fire extinguisher puts out fire.
a fire extinguisher can put out a fire
It will put out burning fluids.
Fire extinguisher
To put out a fire...
Put it out with a fire extinguisher.
Liquid
Get a fire extinguisher! Or get LOTS of water!
the best fire extinguisher for high voltage is a c extinguisher because it can put out electrical fires
wind
You Don't!
Burning liquids such as gasoline, kerosene, paint, acetone, and so on.