A na nka noa metsi a pompo ka kotloloho?Na hoa hlokahala ho kenya mochini o hloekisang metsi?Ho a hlokahala!Ho hlokahala haholo!Mokhoa o tloaelehileng oa ho hloekisa metsi semeleng sa metsi mehato e mene e meholo, ka ho latellana, coagulation, precipitation, filtration, disinfection.Nakong e fetileng, setsi sa metsi ka ...
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