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From 1930 to 1935, they developed dichlorodifluoromethane (CCl 2 F 2 or R12), trichlorofluoromethane (CCl 3 F or R11), chlorodifluoromethane (CHClF 2 or R22), trichlorotrifluoroethane (CCl 2 FCClF 2 or R113), and dichlorotetrafluoroethane (CClF 2 CClF 2 or R114), through Kinetic Chemicals which was a joint venture between DuPont and General Motors.
The Royal 22nd Regiment [1] [2] [a] (R22R; [4] French: Royal 22 e Régiment) [5] is an infantry regiment of the Canadian Army.Known colloquially in English as the Van Doos (representing an anglicized pronunciation of the French number twenty-two, vingt-deux) [6] or in French as le Vingt-deuxième, [7] the mostly francophone regiment comprises three Regular Force battalions, two Primary Reserve ...
In 2000 in the UK, the Ozone Regulations [45] came into force which banned the use of ozone-depleting HCFC refrigerants such as R22 in new systems. The Regulation banned the use of R22 as a "top-up" fluid for maintenance from 2010 for virgin fluid and from 2015 for recycled fluid. [citation needed]
YouTube justified this removal on the grounds of "harassment and bullying". [143] Jackson Hinkle American YouTuber and political live-streamer: Oct 9, 2023 As of November 2023, Hinkle is one of the most viral users on the social media site X (formerly Twitter); he has been banned from WhatsApp, YouTube, Instagram, PayPal, and Twitch for ...
Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...
YouTube was first blocked in China for over five months from October 16, 2007 [7] to March 22, 2008. [8]It was blocked again from March 24, 2009, although a Foreign Ministry spokesperson would neither confirm nor deny whether YouTube had been blocked. [9]
National champion odds. Ohio State (+110) Texas (+350) Notre Dame (+350) Penn State (+450) The Buckeyes are unsurprisingly the big favorites while Texas and Notre Dame are the co-No. 2 favorites.
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