- 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;Location the garment on the sewing device. Build your machine so that the needle length is shorter to the patch. Established the device to your straight sew. And put your presser foot from the up place.[three] X St