A professional who tends automatic, radiant-heat bulk sealer that bonds plastic sheets for fabricating bags. Respnsibilities include:

• Places lifts (two sheets of plastic film separated by single sheet of paper) alternated with asbestos pads on piston of sealer.
• Straightens disarranged sheets, using wooden paddle.
• Starts sealer in which plastic film is bonded as piston slowly rises through heated chamber.
• Inspects samples of bonded sheets to detect machine malfunction.