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M16,M20 Tinyere Efere Igwe Igwe Ọdụdọ maka Ndozi Socket agbakwunyere na Sistemụ ebuli.
Emebere efere ndọta ndọta etinyere maka idozi ahịhịa agbakwunyere n'ime mmepụta ihe precast.Ike nwere ike ịbụ 50kg na 200kgs, dabara maka arịrịọ pụrụ iche na njide.Eriri dayameta nwere ike ịbụ M8, M10, M12, M14, M18, M20 wdg.