Njira zopangira madzi akumwa pagulu zimagwiritsa ntchito njira zosiyanasiyana zopangira madzi kuti apatse madera awo madzi akumwa abwino. Makina amadzi am'madzi nthawi zambiri amagwiritsa ntchito njira zingapo zochizira madzi, kuphatikiza ma coagulation, flocculation, sedimentation, kusefera ndi kupha tizilombo. Masitepe 4 a Community Wa...
Werengani zambiri