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1,1,2,2-Tetrachloroethane. 1,1,2,2-tetrachloroethane ( TeCA ), also known by the brand names Bonoform, Cellon and Westron, is an organic compound. It is colorless liquid and has a sweet odor. It is used as an industrial solvent and as a separation agent. TeCA is toxic and it can be inhaled, consumed or absorbed through the skin.
The United States Navy Mk 12 MOD 0/1/H Special Purpose Rifle ( SPR) is a designated marksman rifle that was in service with United States Special Operations Forces in the designated marksman role until 2017, also designed to be shorter than standard weapons. [2] [3] SPR initially stood for Special Purpose Receiver as it referred to an add-on ...
Around the time of alignment, extreme gravitational lensing of the galaxy is observed. A black hole is a region of spacetime where gravity is so strong that nothing, not even light and other electromagnetic waves, is capable of possessing enough energy to escape it. [2] Einstein 's theory of general relativity predicts that a sufficiently ...
The Arleigh Burke class of guided-missile destroyers (DDGs) is a United States Navy class of destroyer centered around the Aegis Combat System and the SPY-1D multi-function passive electronically scanned array radar. The class is named for Admiral Arleigh Burke, an American destroyer officer in World War II and later Chief of Naval Operations.
t. e. The 2012 phenomenon was a range of eschatological beliefs that cataclysmic or transformative events would occur on or around 21 December 2012. [1] [2] [3] This date was regarded as the end-date of a 5,126-year-long cycle in the Mesoamerican Long Count calendar, [4] and festivities took place on 21 December 2012 to commemorate the event in ...
As of July 2024 [update], the office of the chief minister of Jammu and Kashmir is vacant with no elections held since the former state was reorganized in 2019. Only one of the incumbents is a woman — Mamata Banerjee in West Bengal, who is serving since 20 March 2011 (for 13 years, 54 days), having the longest continuous incumbency.