Using grease to hold loose needle or ball bearings in place is a very old trick.... | Hacker News

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throwaway0a5e on Oct 25, 2021 | parent | context | favorite | on: Scientists have found a way to harden wood to make...

Using grease to hold loose needle or ball bearings in place is a very old trick. You'll find it in lots of old manuals.

WalterBright on Oct 25, 2021 [–]

Evidently not in trans manuals!

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