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VIDEO
Breath - Common Surgical Mask
.mp4
(371.21 kB)
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VIDEO
Breath-KN95 with Breather Valve
.mp4
(357.21 kB)
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VIDEO
Breath-KN95
.mp4
(719.21 kB)
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VIDEO
Breath-No Mask
.mp4
(281.3 kB)
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VIDEO
Laugh - Common Surgical Mask
.mp4
(456.35 kB)
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VIDEO
Laugh-KN95 with Breather Valve
.mp4
(251.29 kB)
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VIDEO
Laugh-KN95
.mp4
(346.96 kB)
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VIDEO
Laugh-No Mask
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(175.83 kB)
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modified on 2022-09-08, 01:45
Mask
Categories
Other environmental sciences not elsewhere classified
Keywords
video data
Environmental Science
Licence
CC BY 4.0
