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[–] 12 points 3 months ago (3 children)

Great news for the US, outside of petroleum refining, they don't do any of this.

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  • [–] 9 points 3 months ago (2 children)

    Purify drinking water, produce batteries, and nitrogen enrichment?

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  • [–] 7 points 3 months ago

    Sulphuric acid is also used for hard anodizing, which is a surface treatement used for aerospace applications.

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  • [–] 6 points 3 months ago