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Life Mask / Goodhealth and Well-being

Life Mask

The new coronavirus pneumonia epidemic spreads all over the world, and masks have become the world's most scarce resource. It is important to wear masks effectively. The use time of the mask is too short will waste resources, the use time exceeds the standard and it is easy to breed bacteria. Life mask helps users more intuitively know how long the mask needs to be replaced by changing the color of the blue to yellow. When the color bar is blue, the mask is normally used, and when it is close to yellow, the user is reminded to replace it, and it will not change after it becomes yellow, thereby avoiding repeated use by unscrupulous merchants.

University

Sichuan Normal University

Sichuan Normal University
Chengdu, China

Lu Zhao,
Sichuan Normal University