A professional who tends equipment that electrolytically etches markings, such as insignias, trademarks, and part numbers on metal articles. Respnsibilities include:

• Turns switches on power control unit to allow flow of electric current through electrolytic solution in tank.
• Positions workpiece on stencil and against contact strip to complete electric circuit.
• Places workpiece in electrolytic solution that etches stencil markings on metal.
• Removes workpiece from solution, after specified time, and sprays workpiece with water to remove acid.
• Immerses workpiece in rust preventive solution.