rnrigfts t1_j64cxhh wrote
Reply to comment by knob-turned-past-uhf in UK scientists discover method to reduce steelmaking’s CO2 emissions by 90% / Decarbonising the steel industry is an imperative by Sorin61
Back to the Iron Age
Graega t1_j64mnnk wrote
It's bronze for me - that rich golden brown gleam!
InsularAtlantica t1_j65dkvb wrote
I'm more of a Chalcolithic bro.
I love the colour of copper oxide.
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