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© 2020 AFPTranslation tools, air purifiers: face masks go high-tech
By Catherine Lai and Harumi Ozawa SINGAPORE/TOKYO©2024 GPlusMedia Inc.
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JJ Jetplane
These two inventions are great inventions. It can be hard for people that speak different languages to communicate when you can't see someone's mouth, the translator can help with that. While a mobile and compact air purifier will heavily benefit many people.
virusrex
As long as the air is filtered both going in and out it should be fine, probably too heavy and expensive to become popular, but for people that feel suffocated while using masks even for a short time this would be quite useful, (and way cheaper and easier to use than the available powered air purifying respirators that cover the whole head)
Mike Linz
I wanted to buy N95 mask for myself. Just wanted to know if we face any difficulty breathing while doing aerobic exercises. Also wanted to know about the effectiveness of valved N95 masks.
garth
@Mike Linz
There is a well-known problem with valved N95 masks:
https://economictimes.indiatimes.com/industry/miscellaneous/why-the-government-wants-you-to-stop-wearing-a-valved-n95-mask/valve-issues/slideshow/77164635.cms