N95 respirators get tested in a fit test lab ... The respirator — don’t call it a mask — was sold largely to industrial customers for decades. And that’s again the primary market, now ...

What's our relationship with masking five years after the pandemic started? (Photo Illustration: Yahoo News; photos: Getty Images) ...

Federal officials still wanted to reserve surgical masks and N95 masks for frontline health care workers. States then began introducing requirements that individuals wear face coverings in public.

Most protests are lawful and constitutionally protected. Even more bewildering, he emphasized “NO MASKS!” Since then, Education Secretary Linda McMahon has begun cutting off some funds.

But the at-home LED market is on the verge of becoming a massive industry - with masks and other devices retailing for anything from £40 to £1,500. The technology harnesses the power of light ...