1. ??n v? s? nghi?p ho?c doanh nghi?p cung ?ng d?ch v? quan tr?c môi tr??ng lao ??ng.Your sewing equipment will probably have distinct velocity options. The speed dictates how promptly the needle moves. You’ll want to maintain it minimal so that you've got good Command when sewing.When the patch is round, attempt an overcast stitch to make sure