A professional who tends machine that coats fiberglass sliver with dye. Respnsibilities include:

• Places supply package on machine platform and threads sliver through guides, over tension bars and dye roller applicator, through traverse guide, and attaches sliver to takeup package.
• Pours or turns valve to admit dye solution into trough of dye roller applicator.
• Pushes lever to lower winding head and start machine.
• Observes flow of sliver through machine to detect breaks in sliver and ties broken sliver by hand.
• Cuts sliver, using scissors, and doffs packages of dyed sliver from machine.