A professional who tends machine that sands and smooths sheets of composition cork to reduce thickness. Responsibilities include:

• Turns handwheel to adjust sander to attain specified thickness.
• Places sheet on feed bed of machine and guides material through rollers to sanding mechanism.
• Depresses pedal to release pressure of rollers for removal of sheet.
• Gauges sheets periodically to verify thickness, using ruler, balance scale, and thickness gauge.