04 14 2020
What is the harm of using disposable medical mask for more than 8 hours?
There is a limit on the wearing time of disposable medical masks. For the occupational exposed personnel, the use of masks cannot exceed 4 hours, and they cannot be reused. If the cumulative use of di
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04 12 2020
The product includes 4K video
Donec ultrices faucibus rutrum. Phasellus sodales vulputate urna, vel accumsan augue egestas ac. Donec vitae leo at sem lobortis porttitor eu consequat risus. Mauris sed congue orci.
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