How to Handle Used Masks..? వాడిన మాస్క్ తో జాగ్రత్త!!.. Why used masks are dangerous?

#ValveMask #usedMask #DisposeMask
How to Handle Used Masks..? I Why used masks are dangerous?
This video explaining the how used mask effect us, and how to avoid the affects from used mask and how to dispose the used mask.
You can visit my channel for different Chemistry topics: / @drgsr
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[@DrManneganti]

Good to see you my friend after long time... You are rocking....doing excellent work in your channel.. I know your capability and dedication.... All the best... A great success waiting in future...

[@DrGSR]

Thank you Master.....

[@Chavaka_cheap]

Good information sir

[@anilkumar2940]

Chala baga chepparu bro👌👌👌👌

[@pavansai109]

Super sir

[@4d7satyasrichitturi45]

Handle the mask carefully...