Report - Achieving high performance for mining in 2020/media/accenture/... · 2015. 6. 24. · Copper 20% 59% 3.0 Lead 22% 66% 3.0 Tin 8% 58% 7.0 Nickel 22% 61% 2.8 Zinc 17% 56% 3.2 Gold 11%

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