A professional who tends machine that sprays and coats interior of smoking pipe bowls with mixture of charcoal, shellac, and alcohol. Respnsibilities include:

• Pours specified amounts of charcoal, shellac, and alcohol into agitator and mixes solution for specified period to prepare coating solution.
• Pours solution through filter into tank, replaces tank top, pulls lever to start machine pump, and turns handles to regulate pump pressure to specified setting.
• Attaches hose and spray nozzle to machine, using wrench and pliers.
• Reads work ticket to determine shape and size of pipe bowl to be processed.
• Places corresponding size of collar on machine spray nozzle.
• Positions and holds pipe bowl on collar, and depresses pedal to spray and coat inside of bowl with coating solution.
• Places coated pipe bowls in box for storage.
• Disassembles and cleans spray nozzle and hose, using wrench, pliers, methanol, rag, and brush.