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Brut India
  • 6 months ago
Researchers have finally found the best face mask to protect against Covid-19.
Transcript
00:00Okay, laser coming on.
00:04Okay.
00:05Let me know when you're ready.
00:09I'm ready.
00:10Day 5, surgical mask, trial 1.
00:11Day 5, surgical mask, trial 1.
00:42Day 5, surgical mask, trial 1.
00:51Day 5, surgical mask, trial 1.
00:56Day 5, surgical mask, trial 1.
02:01ЁЯО╡
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