ISCO-08 8112 to ESCO Occupations

About ISCO-08 8112

8112 Mineral and Stone Processing Plant OperatorsMineral and stone processing plant operators monitor and operate machinery and equipment for processing rocks, minerals and stone to recover refined products for immediate use or further processing. Tasks include - (a) setting up and operating stationary plant and machinery which grind, crush, cut, saw and slice rocks, minerals and stones according to the specifications for the job; (b) positioning blocks and slabs of stone onto machines for sawing, cutting and further working; (c) monitoring and maintaining the flow of unprocessed rocks, minerals and stones from conveyors into machines; (d) operating washing, separating, leaching, precipitating, filtering, extracting and combining equipment to remove waste material and recover minerals; (e) combining mineral ores with solvents to facilitate further processing; (f) separating metal and mineral concentrates from ore and alluvial deposits by thickening, flotation, gravity separation, filtration, or magnetic and electrostatic separation; (g) observing meters, gauges and control panels, adjusting valves and controls to ensure the safe and efficient operation of equipment, detecting malfunctions and assisting with plant and machinery maintenance and repair; (h) examining processed materials visually or with hands to ensure compliance with established standards and job specifications, and collecting samples for testing in laboratories; (i) recording information about processing completed during shifts, such as quantities, types and dimensions of materials produced; (j) sorting, stacking and moving processed minerals and stone for packaging, further processing or shipping. Examples of the occupations classified here: - Coal washer - Crusher operator (mineral or stone processing) - Flotation worker (mineral processing) - Gold precipitator - Machine operator (stone cutting or processing) - Milling machine operator (minerals) Some related occupations classified elsewhere: - Stone cutter (hand or hand-powered tools) - 7113 - Stonemason - 7113 - Stone polisher (hand or hand-powered tools) - 7113 - Stone splitter (hand or hand-powered tools) - 7113 - Machine operator (cast stone production) - 8114 - Stone polishing machine operator - 8114.