you could,but it'd be better to use sand
They are idea for dealing with wood and paper fires. Never use water on live electrical or petrol fires
Wood.
It puts out wood and paper fires.
it takes out wood paper and textiles
Coal stoves, Wood stoves, Wood fires.
Wood. usually to build with or use for fires.
Wood fires and clay pots.
Class A fires involve the burning of wood, paper, cloth, and other ordinary combustibles. These fires can typically be extinguished with water, foam, or dry chemical extinguishers.
Because water is better to use to put out fires than sand.
Nowhere, there is no such thing, water does not need extinguishing! However if you mean "where would you use a water filled fire extinguisher", you would use one of these on fires other than those that are electric and petrochemical, eg on wood and paper fires, organic material - water based fire extinguishers work by taking the heat out of the com busting material so that it is below the temperature at which it burns.
A Class A fire extinguisher is recommended for wood fires.
Damp wood contains moisture, making it harder to ignite. The moisture cools down the wood, making it more resistant to burning. Additionally, the water in damp wood needs to evaporate before the wood can catch fire, further complicating the ignition process.