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 will involve wrapping one layer of covering yarn all-around a core yarn, ordinarily spandex. This process leads to a yarn that offers reasonable elasticity and strength, rendering it appropriate for a number of purposes. Out there, elastic fabrics are predominantly manufactured working with SCY wh... https://albertoy455hzr7.bmswiki.com/user