increasing and shift to lower cost open cast mining approximate on mine cash cost split electricity 2% labour 29% consumables 32% other 37% all f2009 figures attributable electricity 4% labour 45% consumables 29% other 22% electricity 8% labour 27% consumables 46% other 19% 16 s/e limb mine: 45,000 tpa copper...
temperature, much more energy is needed, leading to the high environmental benefits of aluminium recycling. americans throw away enough aluminium every year to rebuild their entire commercial air fleet. also, the energy saved by recycling one aluminium can is enough to run a television for three hours. [ ] copper...
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