A professional who tends machine that automatically cuts, folds, and glues ends of tubes together to form bottoms in single or multiwall paper bags. Responsibilities include:

• Loads paper tubes into automatic feedrack, fills glue hopper, and starts machine.
• Observes machine operation, removes material caught in rollers to relieve jams, and spot-verifies processed bags to detect imperfections in cutting, folding, or gluing.
• Adjusts feed guides, rollers, and glue regulator, using handtools, to ensure conformity to specifications.
• May tend machine equipped with valving mechanism that automatically forms opening (valve) in top of bag and inserts sleeve in opening.