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Below is a list of the most recent deletions.
- 08:55, 26 August 2022 MDerrick talk contribs deleted page Freon® (content was: "== Description == [DuPont] A registered trademark for a series of chlorofluorocarbons (CFCs) that were used as refrigerants, solvents, cleaning fluids, and Aerosol propellants. Freon was invented by Thomas Midgley Jr. and Charles Kettering in 1928. In general, CFC compounds are colorless liquids with a slight ethereal odor that are non-irritating, nonflammable, and chemically inert. However, by the late 1980s, scientists determined that...")