The spare blades sound like an opportunity for cryonic tempering.
If you can do the tips one at a time, you'd only need to boil off maybe a quart of liquid nitrogen.
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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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