drc africa - company coal copper design diamonds efficiency engineering logistics mining mining - weekly - company opencast project projects system systems - company testing ukwazi underground africa democratic - republic -
of - congo drc - country south - africa
zambia equipment mining - industry - term product products saleable - products service services short - term - planning - services site - services systems turnkey - specialist - services value - chain iron - ore - person jaco - lotheringen spencer - eckstein ticharwa - chikosha operations southern - africa - region west - africa