- 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 vital that you consider your time and efforts and do your best to make certain that your weaves and also the duration of the stitches are as even to each other as you