A professional who sets up and operates machine to coat cloth, fiber, or paper with granules of abrasive material. Respnsibilities include:

• Positions machine guides and stops on machine bed according to size of base material, using rule or template.
• Turns screws to adjust valve openings to regulate thickness of abrasive coating sprinkled on base material.
• Dumps specified abrasive, such as flint, garnet, emery, or corundum into container on machine.
• Positions flat piece of base material on machine bed and against guides and stops.
• Starts machine and manually feeds base material through machine.
• Examines base material for uniformity and thickness of abrasive coating.
• May operate machine to coat rolls of base material with abrasive granules.