ゴム紐の事で困り事等がある場合は、何でも気軽に質問・ご相談ください。 Single covered yarn entails wrapping a single layer of masking yarn all-around a Main yarn, generally spandex. This process results in a yarn that offers moderate elasticity and toughness, which makes it well suited for several different purposes. In the market, elastic fabrics are predominantly created applying SCY ... https://chicki890ska0.wikienlightenment.com/user