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The chemist Sylvia Stoesser (1901–1991) had suggested tetrachloroethylene to be used in dry cleaning as an alternative to highly flammable dry cleaning solvents such as naphtha. [ 14 ] It is also used to degrease metal parts in the automotive and other metalworking industries, usually as a mixture with other chlorocarbons.
In 1950, the cleaning technology division was established with the development of the first European hot water high-pressure cleaner, the DS 350. [11] From the mid-1950s to the 1970s, the production of steam generators for industry and construction was a key focus for the company, while cleaning technology only later became Kärcher's main revenue-generating sector.
The RCA clean is a standard set of wafer cleaning steps which need to be performed before high-temperature processing steps (oxidation, diffusion, CVD) of silicon wafers in semiconductor manufacturing. Werner Kern developed the basic procedure in 1965 while working for RCA, the Radio Corporation of America.
Dry-ice blasting is nonabrasive, non-conductive, nonflammable, and non-toxic. Dry-ice blasting is an efficient [3] [verification needed] cleaning method. Dry ice is made of reclaimed carbon dioxide that is produced from other industrial processes, and is an approved media by the EPA, FDA and USDA. It also reduces or eliminates employee exposure ...
However, the Mayo Clinic notes that you can lower the risk of getting CMV by practicing good hand hygiene, avoiding contact with tears and saliva when you kiss a child, avoiding sharing utensils ...
The product is given a dwell time of 5–10 minutes. The carpet is then extracted using an acid rinse solution through a hot water extraction machine. Triple dry strokes are then performed to ensure a low dry time. While this process is not strictly dry cleaning and involves a 1-4 hour dry time, it cleans deep into the fibers.
In 2008, the company acquired Caldrea, Co., maker of household cleaning products including the Caldrea and Mrs. Meyers Clean Day brands. [24] In 2011, the company acquired Kiwi shoe care brand from Sara Lee Corporation, thus also expanding its shoe care businesses after the deal. [25] S. C. Johnson acquired Deb Group in 2015.
Self-cleaning surfaces are a class of materials with the inherent ability to remove any debris or bacteria from their surfaces in a variety of ways. The self-cleaning functionality of these surfaces are commonly inspired by natural phenomena observed in lotus leaves, gecko feet, and water striders to name a few.