Comments by "nozrep" (@nozrep) on "How 800 Million Pounds of Himalayan Salt Are Mined Each Year | Big Business | Business Insider" video.

  1. 5:40; yes, quite correct! quite correct indeed! Masks DO stop dust particles! Masks DO NOT stop virus particles which are thousands upon thousands of times more smaller than any dust particle! Yes! You got it right on the masks! Good for you!
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