A professional who tends machine that singes lint and fuzz from yarn and winds yarn onto bobbins or cones: places yarn packages on spindles and threads yarn through guides, tension device, slub catcher, heating unit, and grooves of traverse roller.

• Inserts end of yarn in takeup cone or bobbin and places cone on spindle.
• Pulls switches to start machine, exhaust fans, and burners.
• Pieces up yarn breaks.
• Doffs full cones or bobbins and places yarn in handtruck.
• Records production on work ticket.
• Cleans rails and burners of machine, using brush, airhose, and cloth.