A) Main Spinning: The spandex fiber is blended with other fibers, such as nylon or polyester, and fed into a machine referred to as a Main spinning machine. This machine spins the core yarn by wrapping the spandex fiber throughout the central Main, making sure a uniform and continual coverage. https://louisfscip.blogpixi.com/32953159/helping-the-others-realize-the-advantages-of-rubber-covered-yarn