Establishments primarily engaged in manufacturing thread of cotton, silk, manmade fibers, wool or similar animal fibers. Important products of this industry include sewing, crochet, darning, embroidery, tatting, hand-knitting, and other handicraft threads. …
Examples: Cotton thread, Crochet thread: cotton, silk, manmade fibers, and wool, Darning thread: cotton, silk, manmade fibers,