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  • Forging steel  ball

    Ƙirƙirar ƙwallon ƙarfe

    Ƙarfe mai jujjuya ƙwallon ƙafa ana yin ta ne da ƙarfe mai zagaye a matsayin ɗanyen abu, wanda ake sarrafa shi ta jiki ta hanyar sabbin fasahar jujjuyawa da ƙirƙira sannan kuma ana kera shi ta hanyar fasahar maganin zafi na musamman.
    Bayan shekaru na gwaninta tarawa da maimaita gwaje-gwaje.