UK's largest tunnel cutting head lowered into its London shaft
13 by edward | 10 comments on Hacker News.
13 by edward | 10 comments on Hacker News.
New top story on Hacker News: UK's largest tunnel cutting head lowered into its London shaft
![New top story on Hacker News: UK's largest tunnel cutting head lowered into its London shaft]()
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August 05, 2022
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