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 includes wrapping a single layer of covering yarn all over a core yarn, ordinarily spandex. This process ends in a yarn which offers moderate elasticity and energy, rendering it ideal for several different programs. お急ぎの場合や、とにかく質問したい、聞いてみたいという場合は、こちらの携帯電話へお... https://kurtb685syn5.liberty-blog.com/profile