Individuals who operate machinery and equipment that control the processing of mineral ores, metals or cement. They work in mineral ore and metal processing plants such as copper, lead and zinc refineries; uranium processing plants; steel mills; aluminum plants; precious metal refineries; cement processing plants; clay, glass and stone processing plants; and foundries. Mineral-bearing ore is subjected to various processes to extract the minerals. The ore is first crushed, then processing equipment such as screens, grinding mills, filters, flotation cells, tanks and conveyors are used to extract concentrated minerals. The minerals in their final form are produced by smelting.
No programs.