（この画像の場合は、芯ゴムは、天然ゴム糸で、カバード糸は、上糸も下糸もポリエステル糸の生成色です。） The compressed air types rhythmic network details, causing a fabric that feels extremely smooth and smooth. Air covered yarn makes use of the theory of compressed air to intricately entangle and combine a most important yarn by using a matching yarn, normally spandex. This method, akin... https://oswaldc578acd8.mysticwiki.com/user