Okwangoku, ngophuhliso lwemveliso yehlabathi jikelele, ubungakanani bokusetyenziswa kwemithombo yamaminerali eyahlukeneyo iyaqhubeka nokwandisa, nokuba i-metallic okanye i-metallic ore, ukusetyenziswa kukhula ngokukhawuleza.Ngenxa yoko, ukuhlangana, ubungakanani obukhulu, kunye nophuhliso lobukrelekrele be...
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