A professional who tends machine that combines paper and plastic film to be used as jacket covers for books. Responsibilities include:

• Mounts rolls of paper and plastic film on machine holders, using hoist, and installs roll of adhesive tape on either side of machine.
• Splices ends of paper, plastic, and tape to ends of previous rolls.
• Changes rubber stamps on printing roll to print specified data, fills inkpot and glue reservoir, and adjusts forming bar and makes other machine alterations to conform to size specifications.
• Starts machine, gradually increasing speed by depressing foot lever, and observes machine operation as machine glues paper and plastic film together, cuts it to size, and tapes edges.
• Measures width and length of finished covers and adjusts machine to obtain specified size.
• Replenishes stock, clears jams, and makes operating adjustments as required.