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2. Tubeless tire - Wikipedia

   en.wikipedia.org/wiki/Tubeless_tire

   A tubeless tire (also spelled as tubeless tyre in Commonwealth English) is a pneumatic tire that does not require a separate inner tube.. Unlike pneumatic tires which use a separate inner tube, tubeless tires have continuous ribs molded integrally into the bead of the tire that are forced by air pressure into a flange on the metal rim of the wheel, sealing the tire to the rim.

3. Ozone cracking - Wikipedia

   en.wikipedia.org/wiki/Ozone_cracking

   Ozone attack will occur at the most sensitive zones in a seal, especially sharp corners where the strain is greatest when the seal is flexing in use. The corners represent stress concentrations, so the tension is at a maximum when the diaphragm of the seal is bent under air pressure. Close-up of ozone crack (using ESEM) in NBR diaphragm seal

4. Sealcoat - Wikipedia

   en.wikipedia.org/wiki/Sealcoat

   Sealcoating in Hawaii, 2017. Sealcoating, or pavement sealing, is the process of applying a protective coating to asphalt-based pavements to provide a layer of protection from the elements: water, oils, and U.V. damage.

5. CDC warns of 'high' respiratory virus activity as cases ... - AOL

   www.aol.com/respiratory-virus-activity-high...

   Respiratory illness activity – a measure of how often conditions like the common cold, flu, COVID-19, and respiratory syncytial virus are diagnosed – is currently "high" in the United States ...

6. Trump to discuss ending childhood vaccination programs with ...

   www.aol.com/news/trump-discuss-ending-childhood...

   When asked if he would sign off if Kennedy decided to end childhood vaccinations programs, Trump told Time magazine, "we're going to have a big discussion. If you look at things that are happening ...

7. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

   www.aol.com/vitamins-expire-nutritionists-weigh...

   How can you tell if they’re safe past their expiration dates? Here, doctors explain how long most vitamins last and any risks associated with taking expired vitamins.