| http://www.w3.org/ns/prov#value | - The prices of aluminum, cooper, steel, lead, zinc and a host of other hard metals as well as wood and paper and other basic materials have been on the rise over the last few years simply because certain developing nations such as China have been demanding more of these commodities to both re-build the infrastructure of their countries and also export to developed nations such as the U.S. and Europ
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