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Kupanga madzi koyera & kugwiritsa ntchito
Madzi oyeretsedwa amatanthauza H2O opanda zonyansa, omwe ndi madzi oyera kapena madzi oyera mwachidule. Ndi madzi oyera ndi oyera opanda zonyansa kapena mabakiteriya. Amapangidwa ndi madzi omwe amakwaniritsa ukhondo wamadzi akumwa m'nyumba ndi njira yaiwisi ya electrodialyzer, njira yosinthira ion, reverse os ...Werengani zambiri