Comment on Know thy enemy

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someguy3@lemmy.world ⁨2⁩ ⁨weeks⁩ ago

You have to be careful when talking about steel because coal is both an ingredient (steel is iron + carbon) and used for heating afaik. You can take coal out of the heating step (confusingly called steel making) but not out of the ingredient step, unless you want to find a different carbon source.

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