rock excavation
11Lego Rock Raiders — was a Lego theme started 1999, and was discontinued in 2000. Rock Raiders was the only theme in the Lego Underground series. The theme, while short lived, featured sixteen sets and was backed up by numerous story related media, including several… …
12Indian rock-cut architecture — is more various and found in greater abundance than any other form of rock cut architecture around the world. [cite web url=http://www.historyworld.net/wrldhis/PlainTextHistories.asp?groupid=1527 HistoryID=ab27 title=History of Architecture Early …
13Durango Rock Shelters Archeology Site — U.S. National Register of Historic Places Nearest city: Durango …
14tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
15tunnel — tunneler; esp. Brit., tunneller, n. tunnellike, adj. /tun l/, n., v., tunneled, tunneling or (esp. Brit.) tunnelled, tunnelling. n. 1. an underground passage. 2. a passageway, as for trains or automobiles, through or under an obstruction, as a… …
16Hoover Construction — The Hoover Construction Company is a family owned highway and heavy construction company in northeastern Minnesota. Hoover has built roads and mines, and is particularly known for its work on the foundations of the Iron Ore Mines on the Iron… …
17pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… …
18Ouvrage Sapey — Part of Maginot Line, Alpine Line, Séré de Rivières system Southeast France …
19Sample return mission — A sample return mission is a spacecraft mission with the goal of returning tangible samples from an location to Earth for analysis. Sample return missions may bring back merely atoms and molecules or a deposit of complex compounds such as dirt… …
20Egypt — • Provides information on history, religion, and literature Catholic Encyclopedia. Kevin Knight. 2006. Egypt Egypt † …
