Yonga isaphulelo esingu-50% Ngokusebenzisa Ikhodi Yevawusha
Okuyisisekelo: ISantevia idinga amanzi okuphuza (ahlungiwe ngaphambili), iBerkey ingahlanza noma yimuphi umthombo wamanzi ahlanzekile ngokuphepha. ISantevia ayisusi amagciwane noma i-arsenic, uBerkey uyasusa. ISantevia yasungulwa ngo-2007. Umlando kaBerkey usukela eminyakeni yawo-1830 kanti selokhu wasetshenziswa emhlabeni wonke ngoDokotela, ama-laboratories, imindeni, i-Red Cross, i-UNICEF, ama-eco-village, ama-cottagers, amakamu namathimba okusiza ezinhlekeleleni.
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