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Alys Key
@alys-key
Saw the tube's rail-grinder yesterday. Apparently it gives the tracks a quick shave to reduce that screeching sound you hear on the train.
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Sandiforward
@sandiforward
Can they run it more haha this is interesting never knew this
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Alys Key
@alys-key
Me neither! Seems like they spent a lot on it. Still a lot of parts of the line with loud screeches though 🙉
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