- On masks Archived Message
Posted by Mary
on February 23, 2021, 8:22 am
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Some history. Mask force: London's five centuries of face coverings https://www.bbc.com/news/uk-england-london-56085529 WW2 gas masks contained asbestos! https://hps-beta.azurewebsites.net/publications/hps-weekly-report/volume-53/issue-12/vintage-gas-masks-and-asbestos/ |
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