Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
For those glasses wearers, they always need to worry about the mist
when they wear both glasses and mouth-muffles People can not see
things clearly due to the mist, therefore, huge security issues will occur
especially when they walk along the streets However, after we add a
small air gate on the mouse-muffle, the problem will .
Gao-Shuai Shi Peng-Lu Nian-Wen Wang