A spokesman for Rio Tinto said the deal was "very significant," as iron ore is one of the company's key commodities, along with copper and aluminum.

力拓矿业公司的一名发言人说，这是一项“非常重要的”交易。铁矿石和铜、铝一样，都是该公司的主要商品。

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That project will make it the world's largest consumer of copper, and therefore a key driver of copper prices.

该项目将使国家电网成为全球最大的铜消耗者，由此成为铜价的关键驱动因素。

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India is another key consumer of the metals and other raw materials that Rio Tinto produces, including copper, aluminium, coking coal and diamonds.

印度是另一个力拓公司的金属和原材料的主要消费国。印度消费的金属和原材料包括铜、铝、炼焦煤和金刚石。

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Some already point to signs of some improvement, such as rising premiums for physical copper in key consuming regions.

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In 1969, Zambian President Kenneth Kaunda announced nationalization of copper mining companies, key to Zambia's economy contributing over 50 percent of government revenue.

CNN: Tuesday,

For example, there have been big drops in key industrial commodities like copper and oil.

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