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https://en.wikipedia.org/wiki/Tunnel#Cut-and-cover https://en.wikipedia.org/wiki/Tunnel#Cut-and-cover This is hacker news. It's easy enough to google for 2 sec
by pvinis 9y ago
https://en.wikipedia.org/wiki/Tunnel#Cut-and-cover https://en.wikipedia.org/wiki/Tunnel#Cut-and-cover
This is hacker news. It's easy enough to google for 2 seconds to learn a new term.
- ScottBurson 9y agoIt is. But I think it's more efficient overall for someone to ask the question so that someone like you posts a helpful link, thus saving many more people the trouble of googling.