A professional who tends table-type rotary warping machine that winds warp yarn onto pegs or spools for use in weaving narrow fabrics. Responsibilities include:

• Places spool of warp yarn over revolving spindle of machine.
• Mounts spools on spindles or positions wooden pegs in holes of machine table to produce warp of specified dimensions.
• Threads warp through eye of spindle and horizontal warping arm attached to spindle, and ties warp to hook holder.
• Starts machine to rotate warping arm and wind warp around pegs and through hook holder.
• Places weaving hook in hook holder after each revolution of warping arm to separate warp.
• Stops machine when specified number of yarn strands have been wound and cuts yarn, using scissors.
• Turns thumbscrew to secure yarn and hooks in hooks holder.
• Doffs wound yarn.