Nkebi ahịrịokwu 1: Ụlọ ọrụ Switzerland na-egwupụta akụ̀ bụ́ Falconbridge Ltd. weghaara Xstrata n'afọ 2006. Nkebi ahịrịokwu 2: Na 2006, Xstrata e weghaara site na Swiss Ngwuputa ụlọ ọrụ Falconbridge Ltd. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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