Kukho iishawa ezininzi ezonga amanzi kwimarike, ikakhulu kwiifom ezimbini.Enye kukutshintsha indawo yokuphuma kwamanzi ngesayensi kunye netekhnoloji, ukwamkela itekhnoloji yokutofa umoya, kwaye udibanise umoya emanzini ngokuphefumla, ukuze ufezekise umlinganiselo wokuxubana womoya kunye namanzi, ukunciphisa i-wa...
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