A professional who tends machine that compresses and vulcanizes layers of paper or related materials into homogeneous sheets. Respnsibilities include:

• Reads job order to determine type and thickness of fiber sheets to be made.
• Inserts metal shafts through core of paper roll, and mounts roll onto machine, using hoist.
• Tightens holding collars on feed roll shaft to adjust tension on paper roll.
• Sets counter to record number of layers of paper needed to obtain desired thickness.
• Threads paper under guide bar, through acid immersion tank, and over calender rolls.
• Starts machine and observes compressing and vulcanizing process, adjusting tension of paper rolls as needed.
• Cuts vulcanized sheet from roll, using knife.
• Directs removal of vulcanized sheets from machine and immersion of sheets into leaching vats for specified period.
• Maintains production records.