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What's the formula for being a security guard?

As of July 5, 2022, in the circle of friends of Daqing citizens, a video was on fire. In the video, an epidemic prevention jingle created by a community security guard is obviously that the security guard is doing epidemic prevention work, which impressed everyone. This rhyming jingle was created by Meng Qingguo, a security guard in Chengjing Community, Longfeng District, Daqing City.