Otu: akụkụ ígwè. Dị ka udi nke ngalaba, ọ nwere ike kewaa n'ime gburugburu ígwè, flat steel, square steel, hexagonal steel, octagonal steel, angle steel, I-beam, channel steel, T-shaped steel, B-shaped steel, etc. Abụọ: efere ígwè! Efere ígwè dị arọ (ọkpụrụkpụ $% mm) na ígwè dị mkpa ...
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