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Mask Nerd Short - Counterfeit Masks?
Автор: Aaron Collins
Загружено: 2022-01-26
Просмотров: 17107
Описание:
How can you tell your mask is fake or low performing? It is very difficult without specialty equipment, so I explain what you can do.
Mask Standards Video: • Mask Nerd Short - What is a KN95/KF94/N95
Common mask "tests" that don't work : • More Mask Tests! Plus Mask FAQ, and the *F...
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