Isicelo:Ingasetyenziselwa ukusetyenzwa okumanzi - 1.2 mm (- 200 mesh ye-30 ~ 100%) i-ore ebomvu (i-hematite kunye ne-limonite, i-siderite, njl.), intsimbi ye-manganese, i-ilmenite, i-chromite, i-tungsten ore kunye nezinye iintlobo zeeminerali ezinozibuthe ezibuthathaka, kunye neeminerali zetsimbi, ezifana ne-quartz, i-feldspar, i-nepheline ore, i-kaolin yokususa isinyithi esingcolileyo kunye nokuhlanjululwa.