"It would be unthinkable for urban firefighters — those American icons who loom large in the public imagination — to enter a burning building without wearing a mask. But across the country, tens of thousands of people who fight wildfires spend weeks working in toxic smoke and ash wearing only a cloth bandanna, or nothing at all."
https://www.nytimes.com/2025/08/17/us/wildfire-firefighters-masks-smoke.html
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