- Có t?i thi?u 02 n?m kinh nghi?m trong l?nh v?c quan tr?c môi tr??ng lao ??ng ho?c 05 n?m kinh nghi?m trong l?nh v?c y h?c d? phòng;When hand sewing a patch on to a uniform it’s essential to get your time and do your very best to be sure that your weaves plus the length of the stitches are as even to one another as you can. Keeping an excelle