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Machining Mchenga Kuponya Professional Cast Brass
Mau otsogolera Ma aloyi amkuwa okhala ndi zinki monga gawo lalikulu la alloying nthawi zambiri amapangidwa ndi mkuwa.Chifukwa chake zinc mumkuwa imakhala ndi njira yabwino yolimbikitsira yankho, nthawi yomweyo, zinthu zambiri zopangira ma alloying zimathanso kusungunuka m'madigiri osiyanasiyana mkuwa, kupititsa patsogolo makina ake, ndikupanga Zamkuwa ...
