Knot your thread. When you have sewn many of the way within the fringe of the patch, loop the thread and pull the needle through to tie off your knot.a) V?n b?n ?? ngh? công b? ?? ?i?u ki?n th?c Hello?n ho?t ??ng quan tr?c môi tr??ng lao ??ng c?a t? ch?c theo m?u quy ??nh t?i M?u s? 01 Ph? l?c s? III ban hành kèm theo Ngh? ??nh này;I am Heathe