A professional who operates and controls barkers, saws, edgers, planers, trimmers, and chippers in sawmill to relieve other operators during rest and meal periods, emergencies, and vacations. Responsibilities include:

• Receives assignment to operate specific machine from sawmill supervisor.
• Moves levers, turns handwheels, depresses pedals, and pushes console buttons to activate machines and to observe, rotate, and move logs and boards on conveyors and adjustable tables to shape boards for optimum market value.
• Changes cutting blades, adjusts machines, and clears machine jams, using handtools.
• Lubricates and cleans machine parts.