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。 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。 On the market, elastic fabrics are predominantly made working with SCY that has a Z twist. Even so, for goods like socks and underwear, an S twist is commonly desired mainly because of the one of a kind needs of body composition. ポリウレタンアレル... https://mariahl998ivf1.myparisblog.com/profile