Many thanks Useful nine Not Valuable two Whether it is not easy to push the needle with the whole thickness of the patch and uniform, utilize a thimble to protect your fingers.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 theo Ngh? ??nh này.Test the sample for the