Knot your thread. When you have sewn each of the way across the fringe of the patch, loop the thread and pull the needle by to tie off your knot. b) H? s? công b? ?? ?i?u ki?n quan tr?c môi tr??ng lao ??ng theo h??ng d?n quy ??nh t?i M?u s? 02 Ph? l?c s? III ban hành kèm