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By 2020, the COVID-2019 virus is spreading around the world. Respiratory protection has become an important means of epidemic prevention. However, due to some disadvantages of the mask itself, including:Causing the wearer to sultry serious, Blocked the face, Mask bandages on the face oppression, Blocking communication smoothly, The mask itself psychological resistance, Poor appearance Other reasons, so that many people do not want to wear masks,such problems, especially among young people. "AIR PLUS++" the product is positioned as a fashiionable and confortable mask for young people.
Shan Dong University
Central District，Jinan, China