A professional who tends machine that removes wrinkles from rolls of metal foil. Responsibilities include:

• Places roll of foil on machine feed roller.
• Threads foil through tension rollers and heated tunnel, and attaches end of foil to rewind roller.
• Turns valves and knobs to set required tension of rollers and specified heat of tunnel.
• Starts and observes operation of machine to detect malfunction.
• Makes required adjustment or notifies supervisor.
• Removes wrinkle-free roll of foil from machine for further processing.