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- Tunnel - Wikipedia
A tunnel is an underground or undersea passageway It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ventilation openings at various points along the length
- TUNNEL Definition Meaning - Merriam-Webster
The meaning of TUNNEL is a covered passageway; specifically : a horizontal passageway through or under an obstruction How to use tunnel in a sentence
- tunnels and underground excavations - Encyclopedia Britannica
tunnels and underground excavations, horizontal underground passageway produced by excavation or occasionally by nature’s action in dissolving a soluble rock, such as limestone A vertical opening is usually called a shaft
- How Tunnels Work - HowStuffWorks
In this article, we'll explore what makes tunnels such an attractive solution for railways, roadways, public utilities and telecommunications We'll look at the defining characteristics of tunnels and examine how tunnels are built
- Tunnel construction - Wikipedia
Tunnel construction is a subset of underground construction There are three basic types of tunnel construction in common use: Cut-and-cover tunnel, constructed in a shallow trench and then covered over Bored tunnel, constructed in situ, without removing the ground above They are usually of circular or horseshoe cross-section
- TunnelBear: Secure VPN Service
Discover something new, or tunnel back home to enjoy your favourite websites and apps while travelling or living abroad Our global server network is optimized to let you surf and stream quickly No throttling, no buffering, no fuss TunnelBear is the only VPN in the world to publish regular, independent security audits of our apps
- TUNNEL | English meaning - Cambridge Dictionary
TUNNEL definition: 1 a long passage under or through the ground, especially one made by people: 2 the long passage… Learn more
- First phase of Gateway rail tunnel NJ entrance wraps up
The Tonnelle phase represents just a sliver of the overall $16 billion Gateway tunnels program The excavation work is in preparation for the tunnel boring machines that will begin drilling
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