A professional who sets up and controls equipment to perforate, cut, and stencil plaster wallboard and convey board through kiln. Respnsibilities include:

• Adjusts perforator and knife according to specifications, using gauge and handtools.
• Inserts code letters in stenciling drum, using tweezers and fills drum with ink.
• Adjusts speed of roller and accelerator conveyors according to size of board.
• Sets speed of kiln conveyor for specified drying time.
• Inspects wallboard emerging from drying kiln for unsealed edges and surface blemishes.
• Removes defective wallboard from conveyor line.
• Measures and weighs wallboard samples for conformance to specifications, using rule, micrometer, and scale.