The early use of electropolishing, practiced commercially since the 1930s, primarily concerned adding cosmetic appeal to consumer goods such as cook-ware and fountain pens. In recent years, the emphasis has shifted to engineering applications, especially in the food, medical, pharmaceutical, and semiconductor industries. The process, the electrochemical dissolution of a metal surface, is used to improve the metal component's smoothness, reflectivity, cleanliness, and passivity, or some combination of these surface characteristics.
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