Iyo gobvu-yakakomberedzwa negokora inobatanidza pombi nhengo ine arc-yakaita gokora, iyo inoratidzwa mukuti kune kupatsanurwa-kuburikidza nekubatana kwakatwasuka pagokora rakakomberedzwa. Makobvu emadziro magokora akagadzirwa nesimbi yakakandwa, simbi isina tsvina, alloy simbi, calcinable cast iron, carbon steel, non-ferrous meta...
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