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  2. Byju's - Wikipedia

    en.wikipedia.org/wiki/Byju's

    Byju's (stylised as BYJU'S) is an Indian multinational educational technology company, headquartered in Bengaluru. [4] It was founded in 2011 by Byju Raveendran and Divya Gokulnath . As of October 2024, various media outlets reported that Byju's valuation has now plummeted to zero, down from its peak valuation of $22 billion in 2022.

  3. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric respirator filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 standard of air filtration, filtering at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers under 42 CFR 84, effective July 10, 1995.

  4. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.

  5. India ed-tech firm Byju's founder faces reckoning as startup ...

    www.aol.com/news/india-ed-tech-firm-byjus...

    The future of Raveendran's eponymous Byju's online coaching firm rests with India's courts after the country's biggest startup, once loved by global investors who valued it at $22 billion, crashed ...

  6. Indian ed-tech giant Byju's faces total shutdown if ... - AOL

    www.aol.com/news/indian-ed-tech-giant-byjus...

    Insolvency proceedings against ed-tech giant Byju's, once India's biggest startup valued at $22 billion, will likely force thousands of employees to quit and result in a total shutdown of its ...

  7. Face masks during the COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/Face_masks_during_the...

    US Ambassador to Indonesia Sung Kim accompanied by local officials at the Presidential Palace wearing face masks amid the COVID-19 pandemic. During the COVID-19 pandemic, face masks or coverings, including N95, FFP2, surgical, and cloth masks, have been employed as public and personal health control measures against the spread of SARS-CoV-2, the virus that causes COVID-19.

  8. The comedian was recently asked by ComicBook.com about making a sequel to “The Mask,” his 2004 comedy that introduced the world to Cameron Diaz and became a blockbuster with $351 million at ...

  9. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    The fitting characteristic of a respirator is the ability of the mask to separate a worker's respiratory system from ambient air. This is achieved by tightly pressing the mask flush against the face (without gaps) to ensure an efficient seal on the mask perimeter.

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