Ukuvela kwe-Reverse osmosis (Ingxenye 1)
Ingabe bewazi, ukuthi amanzi enza kufika ku-75% wesisindo somzimba womuntu. Ukulahlekelwa ngamaphesenti angu-4 kuphela amanzi aphelele emzimbeni kuholela ekuphelelweni kwamanzi emzimbeni, futhi ukulahlekelwa ngamaphesenti angu-15 kungabulala. Ngokunjalo, umuntu angaphila inyanga ...
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