| http://www.w3.org/ns/prov#value | - place,??? he said.The introduction of exchange-traded funds in copper could also have a ???significant impact??? on copper prices in the coming year by adding to investment demand, Tulpule said.Consumption trends over the next 15 to 20 years would lead to a doubling in demand for iron ore, copper, aluminum and other commodities, Albanese said in a results briefing on Thursday.
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