A professional who operates engraving machine to inscribe letters on flat metal surfaces. Responsibilities include:

• Slides master lettering plates onto fixture according to sequence specified on work order.
• Adjusts gauge on arms of machine according to size of letters.
• Centers and clamps blank plate on machine.
• Moves lever that lowers diamond cutting point onto plate.
• Guides dummy point, that controls cut, over lettering on master plate to inscribe letters on metal.