A holiday, I will go to do short-term workers and my classmates, we go to the security, we have learned a lot of things in there, not a lot of things on textbooks, let me the most impressive is the time attendance security door time attendance security door, the recording time too, I with my classmates on the first day of work, time and my mobile phone is not the same time, we also thought that time attendance security door out of the question, I looked at my classmate’s mobile phone, and the same time above her, I also saw someone else’s mobile phone, I the mobile phone is not bad ah, ten minutes, the time attendance security door is really good, and do not remember the time, you would remember it.