(Q445686)
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Wikipedia(7 entries)
- arwiki فقد اللمعان
- dawiki Anløbning
- dewiki Anlaufen (Metallurgie)
- enwiki Tarnish
- eswiki Deslustre
- fawiki لکهدار کردن (تیرگی)
- simplewiki Tarnish
thin layer of corrosion that forms over copper, brass, aluminum, magnesium, neodymium and other similar metals as their outermost layer undergoes a chemical reaction