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It's an interesting piece, some sort of linch pin. It could very well be forged steel and very stout, with a red safety clasp.
The trailer will be free to pitch up and down OTOH.
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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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