Onye na-emepụta ọla kọpa kasị ukwuu n'ụwa kwadoro ahịa ahụ: site n'echiche bụ isi, ọla kọpa ka dị ụkọ, tubes ebu. Codelco, a ọla kọpa ibu, kwuru na n'agbanyeghị na-adịbeghị anya nkọ dobe na ọla kọpa ahịa, ọdịnihu omume nke isi metal ka bullish, ọla kọpa ebu tubes. Nwoke...
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