'Serfs'.
I'm starting to like Low Tech magazine. Here's an article on sailing:
www.lowtechmagazine.com/2021/05/how-to-design-a-sailing-ship-for-the-21st-century.
Lots of pictures of sailors scrapping and caulking the decks. 
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Because much of what is in the published literature is nonsense,
and much of what isn’t nonsense is not in the scientific literature.
-- Sabine Hossenfelder
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