A) Main Spinning: The spandex fiber is blended with other fibers, for example nylon or polyester, and fed into a equipment referred to as a core spinning machine. This machine spins the core yarn by wrapping the spandex fiber around the central Main, making certain a uniform and continuous coverage. https://charliedugym.bloggactivo.com/32015597/5-tips-about-covered-elastic-yarn-you-can-use-today