A professional who tends machine that winds cones or tubes of yarn or thread to specified size and lay. Responsibilities include:

• Places supply packages in creel and draws yarn ends through machine guides and tensions onto takeup tubes to thread winding units.
• Turns dial of yardage clock to control amount of yarn wound.
• Turns gear to set lay, using wrench.
• Starts machine and observes operation to detect yarn breaks and exhausting supply packages.
• Pieces up broken ends.
• Doffs yarn when package reaches specified size.
• May weigh yarn package and remove or wind yarn to bring package to specified weight.
• May tend machine equipped with troughs to draw yarn or thread through solutions specified by processing instructions.