A) Core Spinning: The spandex fiber is blended with other fibers, which include nylon or polyester, and fed into a device referred to as a Main spinning device. This equipment spins the core yarn by wrapping the spandex fiber within the central core, making sure a uniform and continual protection. https://doublecoveredyarn12198.blogerus.com/55014749/the-greatest-guide-to-covered-spandex-yarn