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The United States influenza / China Wuhan novel coronavirus is raging and the epidemic is serious. The latest authoritative report shows that the 2019-Cov virus is transmitted by the droplet. A SeeV mask is a special medical mask,the outer surface of which is coated with special coloring particles. After users wearing a SeeV mask, the particles will turn blue after contacting saliva to show the saliva splashing on the outlet mask. This method reminds the user that the outside of the mask is contaminated, which can not only teach you how to wear a mask and remind yourself to change it in time, but also form a self-protective awareness.
Being University of Posts and Telecommunications , China