Fig. 1. Given (a) the scanned face model of a subject, we develop an optimization-based approach to design (b&c) a PAP mask cushion that fits the face model. (d) The designed mask cushion is ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Most face coverings, the CDC says, will slow the coronavirus—whether or not the wearer knows he’s ...

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