A professional who tends fiberglass forming and winding machines to obtain sample skeins of sliver used in testing yardage per pound. Respnsibilities include:

• Inserts cord of timing instrument into wall outlet near machine from which sample is taken and releases pedal to start machine.
• Places arm of timing device against strands of sliver and pushes button to start timer.
• Stops winder after specified time and removes takeup tube.
• Removes test skein from tube and hangs skein on board designated for each furnace and bushing. Carries skeins to yardage-control operator, forming for testing when sufficient skeins are obtained.