can copper slag be processed

UNSPSC Selector Tool - APUC- can copper slag be processed ,A selector tool to be used by suppliers and buying organisations preparing a catalogue for upload into PECOS; Updated on 10th September 2008 for use with Excel 2007.Ancient Mines - Ancient Trenches · "Conclusively the miners were pigment or cosmetic miners. And this has been supported from many sources. Among man's earliest funerary practices was the sprinkling of red ochre on the corpse prior to burial.