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Overuse of the mask is harmful for health. Here, we design a mask with a PM2.5 sensible label to alert the user avoiding overuse.
Zhijiang College
Zhejiang University of Technology
Hangzhou, China
Zhijiang College of Zhejiang University of Technology
Hangzhou, China
Peng Tian,Zizheng Wang,Zhengxiao Jin,Shuai Zhang
