A) Main Spinning: The spandex fiber is blended with other fibers, which include nylon or polyester, and fed into a equipment referred to as a Main spinning machine. This machine spins the core yarn by wrapping the spandex fiber round the central Main, guaranteeing a uniform and steady protection. Warmth-resistant https://double-covered-yarn78172.ltfblog.com/31727321/a-review-of-double-covered-yarn