All the time make sure that the needle is held straight /horizontally – parallel towards the stitches and perpendicular towards the pleats and valleys. This information aims to get rid of light-weight within the discrepancies between both of these supplies, their works by using, as well as their characteristics. （一）Introduction https://franciscociktj.jts-blog.com/30876497/an-unbiased-view-of-rubber-covered-yarn