
1. Morally Indefensible PPE
Visible Women with Caroline Criado Perez
 00:00 
How to Get Past the Voil of Silence
The European standard for respiratory protective equipment is almost exclusively about filtration rather than fit. The Sheffield Head is the head of a man from Sheffield who happened to work in this lab and they took a mold of his head. It's a required part of the European standard for masks. In the simulated wearing treatment test, a mask is mounted on the Sheffield Head and breathing is simulated.
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