A professional who sets up and operates machine to bore holes, and glue and insert dowels in ends of door and sash rails. Responsibilities include:

• Adjusts stock guides, pressure arms, and glue discharge pipes, and inserts and spaces drills in chucks to accommodate size of rails to be processed, using stock sample, rule, and wrench.
• Pours glue into machine reservoir, loads dowel hopper, and starts machine.
• Feeds trial rail into machine and checks spacing of dowels with rule and caliper.
• Feeds machine by placing stack of rails in rail-feed hopper.