You need to leave slightly thread about 1/2” (1cm) very long. Leaving merely a bit makes certain that you don’t accidentally Slash the knots. Tuck the thread underneath the patch.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 kè