Mounts spools on spindles over winding arbors of machine.
Unwinds length of yarn, thread, or twine from spool and winds onto bobbin. Places bobbin on winding arbor and rotates bobbin to take up slack. Slides thread into eye of winding traveler and starts arbors rotating to wind thread onto bobbins. Observes bobbins as they are winding and cuts thread to remove loaded bobbins. Records number and types of bobbins wound.