Production ballast and rubble calibrated including work career (mining, stripping, loading and transport), crushing and screening and gravel washing (career Kipushi and KATONTO).
Uzalishaji ballast na kifusi sanifu ikiwa ni pamoja na kazi kazi (madini, stripping, kupakia na usafiri), kusagwa na uchunguzi na kuosha changarawe (kazi Kipushi na KATONTO).