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OA-1B Same as an OA-1A with a water-cooled V-1650-1 engine, nine built OA-1C OA-1B with redesigned fin and rudder, ten built OA-2 OA-1C with 480hp Wright IV-1460-1 engine modified tail surfaces and forward-firing machine gun moved to port upper wing, eight built XO-10 One XOA-1A redesignated before delivery by the U.S. Army [2] OL-1
Osteoarthritis (OA) is a type of degenerative joint disease that results from breakdown of joint cartilage and underlying bone. [ 5 ] [ 6 ] It is believed to be the fourth leading cause of disability in the world, affecting 1 in 7 adults in the United States alone. [ 7 ]
Find OA sources in directories and repositories. Directory of Open Access Journals (DOAJ) Directory of Open Access Books (DOAB) OAPEN Library;
Barack Obama's Twitter account (@BarackObama) is the official account on social networking site Twitter for former President of the United States Barack Obama. [4] Obama also used the White House's Twitter account (@WhiteHouse) and the @POTUS account, which was created in May 2015. [5]
This list of United States Air Force aircraft designations (1919–1962) includes prototype, pre-production and operational type designations under the 1919 and 1924 United States Army Air Service aircraft designation systems, which were used by the United States Air Force and its predecessors until the introduction of the unified United States Tri-Service aircraft designation system in 1962.
The euro sign (€) is the currency sign used for the euro, the official currency of the eurozone and adopted, although not required to, by Kosovo and Montenegro.The design was presented to the public by the European Commission on 12 December 1996.
Opera is a multi-platform web browser developed by its namesake company Opera. [11] [12] [13] The current edition of the browser is based on Chromium.Opera is available on Windows, macOS, Linux, Android, and iOS (Safari WebKit engine).
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