I-60mm yokusila/iibhola zentsimbi yinxalenye ebalulekileyo yokugaya intsimbi ekrwada kushishino lwasezimayini.Ezi bhola ezinobungakanani obukhulu zifakwe ngaphakathi kwezixhobo zokugaya ukuze zincede kwinkqubo yokucoca kunye nokutyumza i-ores, igalelo ekuveliseni amaqhekeza aphantsi.Olona setyenziso luphambili lwe-60mm yokusila/iibhola zentsimbi emigodini ilele ekusileni intsimbi.Ngokufana nokwahluka kobukhulu obuncinci, ezi bhola zisetyenziselwa ukugaya ii-ores zibe ngamasuntswana acolekileyo, athi ke acutshungulwe ukukhupha iiminerali ezixabisekileyo.
Ubungakanani obukhulu bezi bhola bubenza bakwazi ukuvelisa amandla amakhulu empembelelo, inceda ekwaphuleni okusebenzayo nokusebenzayo kweentsimbi ezikrwada zibe ngamasuntswana acolekileyo ngexesha lenkqubo yokusila.Oku kungenxa yokuba iibhola ezinkulu zinobunzima obukhulu kunye nommandla womphezulu, okhokelela kumandla empembelelo ephezulu xa zingqubana neentsimbi ezikrwada.La mandla empembelelo anceda ekucaluleni iintsimbi ezikrwada zibe ngamasuntswana amancinane, anokuthi ke aphinde aqwalaselwe ukukhupha iiminerali ezifunwayo.
Ukongeza kubukhulu bawo obukhulu, iibhola ze-60mm zokugaya / zentsimbi nazo zenziwe kwizinto ezisemgangathweni eziphezulu ezenzelwe ukujamelana neemeko ezinzima zommandla wemigodi.Ezi zixhobo zikhethwe ngokucophelela ukuze kuqinisekiswe ukuba iibhola zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala zihlala.
Lilonke, ii-60mm zokusila/iibhola zentsimbi zidlala indima ebalulekileyo kushishino lwasezimayini ngokuvumela ukucolwa ngokufanelekileyo nangokusebenzayo kweentsimbi ezikrwada.Ubukhulu bawo obukhulu kunye nezinto ezikumgangatho ophezulu zibenza babe yinxalenye ebalulekileyo yokugaya i-ore, igalelo ekuveliseni amasuntswana omhlaba ocolekileyo asetyenziselwa ukukhupha amaminerali axabisekileyo.