A professional who tends machine that grinds rough-sawed stone blocks or slabs to smooth surface and specified finish. Responsibilities include:

• Positions designated surface of stone on machine bed (rotating circular metal plate), using electric hoist.
• Dumps abrasive, such as grit, sand, and steel shot into hopper of machine.
• Starts machine, turns valves, and opens hopper gate to regulate flow of water and abrasive under stone.
• Measures block or slab to verify thickness with work order specifications.
• Removes finished stone from rubbing bed and cleans abrasive from surface, using scraper, brush, and water hose.
• May place lead or stone weights on block to ensure even abrading of stone.