A professional who tends several single-spindle winding frames that wind strands of bonded glass fiber produced on fiber machines onto tubes for further processing. Responsibilities include:

• Slips empty tubes on spindles of winding machines, and fastens ends of fiber strand, handed down from floor above by fiber-machine tender, to each tube.
• Starts machines.
• Stops spindles when winding tubes are full, breaks off strand of fiber, and slides full winding tube from spindle.
• Observes strands being wound and ties together broken fiber ends.