A professional who tends machine that smooths surface and sizes rough lumber in woodworking establishment. Responsibilities include:

• Turns handwheels to adjust cutting depth and feed rate according to thickness and species of lumber to be planed.
• Presses buttons to start planer and feed conveyor.
• Depresses pedal to actuate hydraulic load bed that raises lumber stack to level with machine feed conveyor to facilitate loading.
• Loads boards in consecutive sequence onto feed conveyor that conveys boards through machine planing operation.
• Periodically attaches sharpening device to planer blade assembly, using wrench, and turns lever to guide abrasive surface of device along blade surface to sharpen blade.