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2015-9-9 · users to utilize less material per ton of output. Among specific markets, non-metallic minerals will record the fastest demand gains, supported by an accel-eration in output of cement and mineral products. Overall refractory market advances will be limited by only modest increases in iron and steel production in the US.
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2014-6-28 · Jian Shuisheng of the Jiatong-University estimates the production of just 6 solar panels requires one ton of coal. This works out to about 660 lbs of coal per square yard of solar panel.
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