（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 kinds rhythmic network factors, resulting in a cloth that feels extremely comfortable and easy. Air covered yarn utilizes the principle of compressed air to intricately entangle and Mix a principal yarn using a matching yarn, normally spandex. This process, akin to a... https://johnd329bef9.blogdun.com/profile