A professional who tends machines that die-size and cut paper tubes to specified diameter and lengths preparatory to processing into bb shot containers. Responsibilities include:

• Installs and adjusts sizing arbors, dies, cutting rolls, and spacing of pickup fingers, using screwdrivers and wrenches.
• Starts and observes machines for malfunction.
• Clears jams and removes scrap paper, using fingers or knife.
• Measures inside and outside diameters of tubes, using fixed gauges.