-
Copper-nickel-zinc Aloy Mapepala
Chiyambi Chachidziwitso chachitsulo cha mkuwa-nickel-zinc alloy ndi copper-nickel-zinc alloy, yomwe imadziwikanso kuti nickel-silver, yomwe imakhala ndi kukana kwa dzimbiri komanso ntchito yabwino yokonza.Zogulitsa ...
