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A comment on Scientists develop ‘cheap and easy’ method to extract lithium from seawater. Parent comment

Re:Scientists develop ‘cheap and easy’ method to extract lit... by CRConrad on Sunday June 13, 2021 @10:11AM (#27492759)
Almost all of those things -- all you mention, and most of the "lots of other things" -- are within (or firmly attached on the outside of) the engine itself, and are swapped out as integral parts with the engine.
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