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underground |
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undergroundRail service that runs underground. The first underground line in the world was in London, opened in 1863; it was essentially a roofed-in trench. The London Underground is still the longest underground system, with over 400 km/250 mi of routes. Many large cities throughout the world have similar systems, and Moscow's underground, the Metro, handles up to 6.5 million passengers a day. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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Underground fuel storage tanks are less likely to develop
condensation compared with aboveground tanks, which experience greater
temperature fluctuations over time. The aboveground facility is the second phase of the project that
will culminate in 2007 with the grand opening of a new underground
facility. In the drug-suffused soil, all three crops absorbed substantial
amounts of chlortetracycline into their aboveground tissues, the
researchers report in the November-December Journal of Environmental
Quality. |
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