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2. 3M - Wikipedia

   en.wikipedia.org/wiki/3M

   The N95 respirator mask was developed by 3M and approved in 1972. [112] Due to its ability to filter viral particulates, its use was recommended during the COVID-19 pandemic but supply soon became short. [ 112 ]

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. Respirator assigned protection factors - Wikipedia

   en.wikipedia.org/wiki/Respirator_Assigned...

   Example of measurement of efficiency of the respirator (in the workplace). Description: (1) personal sampling pump, (2) the cassette and the filter for determining the concentration (in the breathing zone), (3) the sampling line (from the breathing zone), (4) the cassette and the filter to determine the concentration (under a mask), and (5) the sampling line (from the mask).

5. Shop Great Old Navy Sales, Deals and Specials - AOL.com

   www.aol.com/shopping/stores/old-navy

   We found 22 great Black Friday deals on sweaters from Walmart, Amazon, Old Navy. Your one-stop-shop for the best early Black Friday deals at Amazon, Walmart, Wayfair, Nordstrom and more.

6. Transatlantic cruise to turn spotlight on Brazil-Angola ...

   www.aol.com/news/transatlantic-cruise-turn...

   By Lais Morais and Catarina Demony. SANTOS, Brazil (Reuters) - Helena Monteiro da Costa's father was brought from Angola to Brazil as an enslaved person in the 19th century.

7. Millions of people may get expanded Social Security benefits ...

   www.aol.com/millions-people-may-expanded-social...

   Nearly 3 million people could receive a boost in Social Security payments under legislation set for a final Senate vote in the coming days. The Social Security Fairness Act would end longtime ...