Purpose is to fight fires in woods, oil wells, high rise buildings or any fire when fire hose cannot reach.
Idea is to use a cannon that shoots at fire source a fire fighting material bomb (water, foam, gas, sand or any substance that cools below flash point, or absorbs oxygen to extinguish fires). We can also drop a foam or gas bomb from an aeroplane that explodes and spreads fire fighting substance over a wide area above woods fire. We can also use heat sensitive directing device for a rocket full of such materials to be attracted to fire by heat .
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