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  2. 1,1,2,2-Tetrachloroethane - Wikipedia

    en.wikipedia.org/wiki/1,1,2,2-Tetrachloroethane

    1,1,2,2-Tetrachloroethane and 1,1,1,2-Tetrachloroethane were discovered by Auguste Laurent in 1836. [4] [5]1,1,2,2-tetrachloroethane was used in large amounts to produce other chemicals like trichloroethylene, tetrachloroethylene, and 1,2-dichloroethylene.

  3. Airbus A220 - Wikipedia

    en.wikipedia.org/wiki/Airbus_A220

    The Airbus A220 is a family of five-abreast narrow-body airliners by Airbus Canada Limited Partnership (ACLP). It was originally developed by Bombardier Aviation and had two years in service as the Bombardier CSeries.