A professional who tends machine that smooths and polishes asbestos disk pads for brake linings. Responsibilities include:

• Places disk pads on automatic feed tray of machine.
• Adjusts grinding head of machine according to specified thickness of polished pads.
• Starts machine that automatically feeds pads through enclosed grinding and washing units.
• Observes operation to detect machine malfunctions.
• Stops machine and clears detected jams.
• Measures random sample of polished disk pads to determine if pads are ground according to specifications, using caliper.
• Adjusts grinding mechanism as required, using handtools.
• Records data, such as production and downtime, when machine breakdown occurs.