Babban matsin lamba na ruwa mai nauyi na iya sarrafawa wuta, yana kashe wuta da kashe wuta a ƙarƙashin tasirin sanyaya, maye da kuma rufin radadi, maye da ruɓaɓɓen jini. Shine ingantacciyar fasaha don maye gurbin ruwan gargajiya, tsakiya da ƙarancin ruwa na ruwa, gas, aerosol, bushe foda, kumfa da sauran hanyoyin da ke faruwa.