Mphepo yam'madzi yothamanga kwambiri imatha kuwongolera moto, kupondereza moto ndikuzimitsa moto pazigawo zitatu za kuziziritsa, kupuma movutikira komanso kutsekereza ma radiation. Ndiwo ukadaulo wothandiza kwambiri wosinthira kutsitsi kwamadzi kwachikhalidwe, nkhungu yamadzi yapakati komanso yotsika, gasi, aerosol, ufa wouma, thovu ndi njira zina zozimitsa.