The WHO also says to avoid wearing a damaged face mask (one with rips or holes) and to forgo masks that fit too loosely. Masks that are dirty, wet or have been worn by another person are not ...

Disposable face masks are multi-layered ... It’s also important to keep in mind that any mask that gets dirty or wet from ...

It might have started as a novelty idea, but a Twitter pitch for "Face ID compatible respirator masks" went to some unexpectedly cool places. It started on Saturday when Danielle Baskin — "a ...