Dry cleaning
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Dry cleaning is any cleaning process for clothing and textiles using a solvent other than water. The modern dry cleaning process was developed and patented by Thomas L. Jennings.Dry cleaning still involves liquid but is so named because the term 'wet' is specific to water; clothes are instead soaked in a water-free liquid solvent, tetrachloroethylene (perchloroethylene), known in the industry as "perc", which is the most widely used solvent. Alternative solvents are trichloroethane and petroleum spirits. Tetrachloroethylene has been banned in the state of California, with all use to be ended by 2023.Most natural fibers can be washed in water but some synthetics (e.g. viscose, lyocell, modal, and cupro) react poorly with water and must be dry-cleaned.
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