Simbi isina tsvina inogadzirwa nealloy yesimbi, chromium, uye nickel yakasanganiswa ne trace elements se molybdenum, titanium, cobalt, uye manganese.Kuita kwayo simbi kwakanaka, uye midziyo yakagadzirwa yakanaka uye yakasimba, uye chinonyanya kukosha ndechekuti inoita n...
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