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encrustation of salts

art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… … Universalium
Fouling — This article is about fouling in engineering. For uses of the term foul outside technology, see Foul (disambiguation). Not to be confused with fowling. Heat exchanger in a steam power plant, fouled by macro fouling … Wikipedia
Calculus (dental) — Heavy staining and calculus deposits exhibited on the lingual surface of the mandibular anterior teeth, along the gumline. In dentistry, calculus or tartar is a form of hardened dental plaque. It is caused by the continual accumulation of… … Wikipedia
scale — I. /skeɪl / (say skayl) noun 1. one of the thin, flat, horny or hard plates that form the covering of certain animals, as fishes. 2. any thin plate like piece, lamina, or flake such as peels off from a surface. 3. Botany a. a small rudimentary… …
Potassium alum — Chembox new Name = Potassium aluminium sulfate ImageSize = 200px OtherNames = potassium alum, potash alum Section1 = Chembox Identifiers CASNo = 7784 24 9 Section2 = Chembox Properties Formula = KAl(SO4)2 MolarMass = 258.207 g/mol Density = 1.76… … Wikipedia