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R-410A was invented and patented by Allied Signal (later Honeywell) in 1991. [5] Other producers around the world have been licensed to manufacture and sell R-410A. [6] R-410A was successfully commercialized in the air conditioning segment by a combined effort of Carrier Corporation, Emerson Climate Technologies, Inc., Copeland Scroll Compressors (a division of Emerson Electric Company), and ...
Pentafluoroethane in a near azeotropic mixture with difluoromethane is known as R-410A, a common replacement for various chlorofluorocarbons (commonly known as Freon) in new refrigerant systems. Fire suppression systems
A pair of hopper balloons. A hopper balloon (simply hopper) is a small, one-person hot air balloon. Unlike a conventional hot air balloon where people ride inside a basket, there is no basket on a hopper balloon. Instead, the hopper pilot usually sits on a seat or wears a harness similar to a parachute harness. Hoppers are typically flown for ...
Raven Industries, Inc. is an American company that makes precision agriculture products and information management tools for growers. Before a series of acquisitions in 2021, it also had an Engineered Films segment that produced plastic films for various agricultural and industrial applications, as well as an Aerostar Industries segment that designed and manufactured high-altitude balloons ...
A special numbering system is to be used for fluorinated alkanes, prefixed with Freon-, R-, CFC- and HCFC-, where the rightmost value indicates the number of fluorine atoms, the next value to the left is the number of hydrogen atoms plus 1, and the next value to the left is the number of carbon atoms less one (zeroes are not stated), and the ...
North Korea launched about 600 rubbish-filled balloons towards its southern neighbour on Saturday night, hitting South Korea with payloads of cigarette butts, scraps of cloth, waste paper and vinyl.
An abbreviation should be tagged with {{R from initialism}} or, if it can be spoken like a word such as NASA and RADAR, use {{R from acronym}}. Use this rcat instead of {{R from other capitalisation}} and {{R from plural}} in namespaces other than mainspace for those types of modification. This may also apply to several other subcategories of ...
A balloon believed to have been sent by North Korea, carrying various objects including what appeared to be trash and excrement, is seen over a rice field at Cheorwon (Yonhap News Agency via Reuters )
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