Ingabe amanzi ashisayo angcono kunamanzi abandayo okugeza izandla?

Lokhu kuhlakanipha okudumile kubonakala kusho ukuthi amanzi ashisayo angcono...

Iningi lokubaluleka kokugeza izandla ukuhlikihla okungokomzimba kanye nenqubo yokuhlanza ekhipha amagciwane ebusweni besikhumba. Ucwaningo olwenziwa eNyuvesi yase-Rutgers e-US luthole ukuthi amanzi ashisayo ayengengcono kunamakhaza.Eqinisweni, amanzi ashisayo ngendlela engathandeki ayandisa umthamo wamagciwane, njengoba ecekela phansi umgoqo wemvelo wokuvikela isikhumba sakho.