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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 were ...
Chlorodifluoromethane (R-22 or HCFC-22), a type of Freon. [9] [10] Dichlorodifluoromethane (R-12 or CFC-12), the most commonly used Freon brand refrigerant prior to its ban in many countries in 1996 and total ban in 2010. 1,1,1,2-Tetrafluoroethane (R-134a or HFC-134a), one of the main replacements for the formerly widespread R-12.
Freon: Refrigerant: DuPont (formerly), Chemours: Frequently used to refer to any type of refrigerant, [113] though Freon is specifically Dichlorodifluoromethane, or R-12. Frisbee: Flying disc: Wham-O [114] Frequently used to describe the flying disc toy, as well as sports such as Ultimate Frisbee [115] and Frisbee Golf . [116] Gib board: Drywall
North Myrtle Beach couple Mike Haney and his wife Cathy came up with the idea of the Mike’s Spikes umbrella anchor while sitting on the beach on Easter weekend in 2006.
When used as a refrigerant, R-114 is classified as a medium pressure refrigerant. The U.S. Navy uses R-114 in its centrifugal chillers in preference to R-11 to avoid air and moisture leakage into the system. While the evaporator of an R-11 charged chiller runs at a vacuum during operation, R-114 yields approximately 0 psig operating pressure in ...
Umbrella bag dispenser in front of the entrance. An umbrella bag in use. A more recent variant of the umbrella stand used in modern retailers is the umbrella bag dispenser, which allows the user to insert the umbrella into a disposable waterproof bag when entering a building, and to carry that bag with them so as not to get the floors wet.