- 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;Put the garment on the sewing device. Build your device so that the needle length is shorter to the patch. Established the machine to your straight sew. And spot your presser foot within the up placement.[three] X