A professional who tends equipment that mills and recovers powdered metal used in powder metallurgy. Respnsibilities include:

• Pours specified amount of powder into ball mill.
• Screws covers on drum and straps drum to ball mill machine rack.
• Starts motor that rotates drum to grind powder by tumbling action of metal balls.
• Inserts filter bag and sieve in centrifuge drum.
• Opens water valve to flush milled powder from mill through sieve and filter bag into centrifuge.
• Starts centrifuge that separates water from powder.
• Pours extracted powder into trays for drying.
• Charges ball mill with additional balls as specified.