Very tired. The packaging of finished products is not like the office working hours are nine to five, and many factories work in two shifts. It is best to take the early shift. If you work the night shift, from 6: 00 pm to 8: 00 the next day, you are prone to poor mental state, fatigue and accidents. Moreover, there are some special positions that need to wear dust-proof clothes, no mobile phones, no cigarettes and kindling, safety first and strict management system. Few people can stand this kind of management.