Izinto ezehlukene zethusi, ezifana no-95, 53, 56, kanye no-62, zinenhlanganisela ehlukene yethusi ne-zinc, ethinta izici zengxubevange yethusi, njengokumelana nokugqwala, amandla, kanye nokusebenziseka kalula.Isibonelo, ithusi elingu-95, elingu-95% wethusi kanye no-5% we-zinc, livame ukusetshenziselwa ukwenza ompompi beca...
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