Isixazululo samandla adonsela phansi esigayweni esimanzi sithandwa kakhulu emazweni amaningi ase-Afrika njengeZimbabwe, i-Egypt kanye ne-Sudan,Izinqubo zokusebenza ziyachoboza→gaya→i-knelson centrifugal concentrator selection(ukuthola usayizi omkhulu wegolide wamahhala)→itafula elinyakazayo(ukuze ukhethe igolide elicolisekileyo ensimbini).Qala ufake itshe esitsheni somhlathi, imodeli evamile ingu-002w00000000000000000000000000000000000000000. 20 ton ngehora. Ngemva kokuchotshozwa, itshe liphulwa libe yizinhlayiya ezingaphansi kuka-20mm. Lezi zinhlayiya zifakwa etsheni legolide elimanzi, futhi zigaywa zibe yimpushana engaba yi-100 kuya ku-150 mesh (kusuka ku-80 kuya ku-150 micron). Khona-ke udaka olwakhiwe emshinini we-pan omanzi ludluliselwa ku-centrifugal concentrator yegolide, lapho kuqoqwa khona isihlabathi esimnyama esigxilile segolide. Khona-ke umsila uya etafuleni elinyakazayo ukuze uthole okunye ukutholakala kwegolide elisele.
Imishini yegolide yamandla adonsela phansi izolayishwa esitsheni esingu-20ft noma esingu-40ft ngokuya ngesikhala nesisindo. Kuze kube manje, sithumele imishini yamandla adonsela phansi emazweni amaningi, okuhlanganisa iSudan, Zimbabwe, Mauritania kanye ne-Egypt.