A professional who tends machine that bores stemhole in corncob-pipe bowls. Responsibilities include:

• Places bowl in holding device of machine.
• Flips switch or presses button to start boring machine and depresses pedal that moves bowl against rotating bit to bore stemhole in pipe bowl.
• May insert drill bit in chuck of boring machine, according to work ticket, using chuck key.
• May tend machine that bores stemholes and sands bowl tops and be designated stemhole-borer-and-topper.