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Study: Popular face covering in construction could worsen coronavirus spread

from Engineering News-Record

A style of face-covering popular among construction workers — the fabric tubes with elastic ends variously called buffs, gaiters or fleeces — could worsen the spread of coronavirus, says a new Duke University study. Valued for versatility and convenience, the buffs allow workers to drop the covering from their noses and mouths to cool faces, untrap carbon dioxide in exhalations or allow eye protection to defog. more


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