Kopo: The Single Driving High Pressure Roller Mill - Series PGM e etselitsoe ka ho khetheha ho sila li-clinker tsa samente, manya a liminerale, li-clinkers tsa tšepe joalo-joalo ka li-granules tse nyane, ho pshatla liminerale tsa tšepe (tšepe, manganese ores, koporo). ores, lead-zinc ores, vanadium ores le tse ling) le ho sila liminerale tse seng tsa tšepe (li-gangues tsa mashala, feldspar, nepheline, dolomite, limestone, quartz, joalo-joalo) ka phofo.