Iteknoloji
Ngokukhethekileyo sebenzisa amalahle ebhituminous anothuthu kunye nesulfure ephantsi.Ukusila okuphucukileyo, ukulungiswa kwakhona kweteknoloji yebriquetting.Ngamandla aphezulu kunye nomsebenzi ogqwesileyo.
Iimpawu
Isebenzisa inkqubo engqongqo yokuvula isikhondo ukuze isebenze.Inomphezulu othile ophakamileyo kunye nobungakanani bepore ephuculweyo.Ukuze ikwazi ukufunxa iimolekyuli zemibala kunye neemolekyuli ezivelisa ivumba kwisisombululo