It maximizes the Main yarn's elasticity whilst preserving the qualities of your outer fiber. Covered Yarn is broadly Employed in programs which include hosiery, textiles, and health care materials. Frequent styles contain solitary-covered yarn and double-covered yarn. デメリットとしては、切り口から巻糸が解れやすいという短所があります。 You should talk to your healthcare service provid... https://francisy567jap5.wikififfi.com/user