1. Imvelaphi IVietnam, eyona ndawo iphambili kwezolimo kunye nezoshishino kwi-Asia-mpuma ye-Asia, ijongene nemingeni enzima yongcoliseko lwamanzi, ngakumbi ungcoliseko lwendalo (COD) kunye nezinto eziqinileyo (i-turbidity) ezinqunyanyisiweyo (turbidity) kwimilambo, amachibi, kunye neendawo eziselunxwemeni. Uhlolo lwesintu lomgangatho wamanzi luxhomekeke kwisampulu yaselabhu, apho...
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