Black oxide kana kusviba iko kuchinjika kwesimbi yesimbi, simbi isina tsvina, mhangura nemhangura yakavakirwa alloys, zingi, simbi dzehupfu, uye sirivha solder. [1]Inoshandiswa kuwedzera kushomeka kwekuora, kutaridzika, uye kuderedza kupenya kwechiedza.[2]Kuti uwane maximal corrosion res...
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