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2. 1,1,1,2-Tetrafluoroethane - Wikipedia

   en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

   Uses. 1,1,1,2-Tetrafluoroethane is a non-flammable gas used primarily as a "high-temperature" refrigerant for domestic refrigeration and automobile air conditioners. These devices began using 1,1,1,2-tetrafluoroethane in the early 1990s as a replacement for the more environmentally harmful R-12. Retrofit kits are available to convert units that ...

3. R-407C - Wikipedia

   en.wikipedia.org/wiki/R-407C

   R-407C. R-407c container. R-407C is a mixture of hydrofluorocarbons used as a refrigerant. It is a zeotropic blend of difluoromethane (R-32), pentafluoroethane (R-125), and 1,1,1,2-tetrafluoroethane (R-134a). Difluoromethane serves to provide the heat capacity, pentafluoroethane decreases flammability, tetrafluoroethane reduces pressure. [ 1]

4. Vehicle registration plates of California - Wikipedia

   en.wikipedia.org/wiki/Vehicle_registration...

   A California car license plate saying ANRCHST (a vanity plate–speak form of anarchist) from 2006. The use of year-of-manufacture (YOM) plates is authorized by Section 5004.1 of the California Motor Vehicle Code. It is a law that allows vintage cars to be registered to use vintage license plates.

5. Refrigerant - Wikipedia

   en.wikipedia.org/wiki/Refrigerant

   Refrigerant. A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. Refrigerants are heavily regulated because of their toxicity and flammability and the contribution of CFC and HCFC ...

6. Hydrofluorocarbon - Wikipedia

   en.wikipedia.org/wiki/Hydrofluorocarbon

   Fluoromethane, a hydrofluorocarbon. Hydrofluorocarbons ( HFCs) are synthetic organic compounds that contain fluorine and hydrogen atoms, and are the most common type of organofluorine compounds. Most are gases at room temperature and pressure. They are frequently used in air conditioning and as refrigerants; R-134a (1,1,1,2-tetrafluoroethane ...

7. 'Ketamine Queen,' doctors, director: A look at the 5 charged ...

   www.aol.com/5-charged-matthew-perrys-death...

   Updated August 16, 2024 at 6:49 PM. The U.S. Department of Justice have charged five people in connection to Matthew Perry's death last October including a former movie director, two doctors, his ...

8. Automotive air conditioning - Wikipedia

   en.wikipedia.org/wiki/Automotive_air_conditioning

   The second automotive air conditioning refrigerant invented was R-134a. R-134a is a hydrofluorocarbon refrigerant that contains fluorine and hydrogen. The successor to R-12, R-134a was a new refrigerant that no longer contained chlorine that could deplete the ozone layer. R-134a is a greenhouse gas, it has a lower global warming potential than ...

9. Middlemen have outsized influence on US drug prices, FTC says

   www.aol.com/news/middlemen-outsized-influence-us...

   WASHINGTON (Reuters) -The consolidation of pharmacies and health insurance companies through years of dealmaking has led to a handful of pharmacy benefit managers exercising outsized influence ...