A professional who tends pneumatic reaming machine that removes burrs from inner surface of copper bands. Respnsibilities include:

• Selects reaming fixture (steel spring having cutting edge around outer surface of each coil) of desired size, and secures it in place.
• Fastens metal trough in place and aligns copper bands in trough.
• Opens compressed air line and starts machine that pushes reaming fixture through bands.
• Removes bands by sliding hooked metal bar through reamed holes.