The major problem, no matter what the type of deposit, has been found to be the task of raising the material from the great depths at which it is to be found.
Eyona ngxaki ingundoqo nokuba ludidi olunnjani lwediposithi iye yafunyanwa ingumsebenzi ophakamisa imveliso ukusuka kubunzulu obukhulu apho izakufunyanwa khona.