A professional who tends machine that grinds and polishes steel pellets to specified diameter for use as BB shot in air guns. Respnsibilities include:

• Scoops pellets into feed hopper and starts machine.
• Turns valve to control coolant flow and adds scouring powder to hasten abrasive action.
• Measures ejected shot at machine discharge chute to verify size, using gauges, and turns handwheel to adjust pressure plates that increase or decrease size of shot.