A professional who sets up and operates one or more machines to bevel, pencil edge, and polish rectangular glass or mirror edges. Responsibilities include:

• Loosens calibrated gauge with wrench and turns gauge to set grinding wheels to cut bevel to close tolerances.
• Presses buttons and turns handwheels to start flow of coolant (water) and polishing compound (rouge or cerium) onto grinding wheels.
• Starts machine and places glass or mirrors on conveyor of machine.
• Observes ammeter to determine grinding load.
• Turns handwheels to adjust grinding wheels.
• May move glass from machine and wipe edges to remove polishing compound.
• Feels edge for smoothness.
• Rejects defective glass or mirror and readjusts gauge.