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How do technicians send friends when they catch up with the clock?

Technicians can send a circle of friends, sum up past experience and prevent future risks. This is wisdom. Technicians rush to punch in the clock, which means they have to complete the daily punch-in task, so they need to send a circle of friends to motivate themselves. They can send a message in the circle of friends: It is wise to sum up past experience and prevent future risks.