1. Cycle scheduling method: Through cycle scheduling method, biotechnologists in Ning Chuan, Yili can arrange one group of employees to work in the day shift, one group of employees to work in the night shift, and the other group to rest every day. Take an automatic rest every three days.
2. Fixed shift method: assigning employees to fixed day shift and night shift positions according to certain rules, such as three shifts a day, seven days a week, can stabilize the workload.