drilling and blasting
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Drilling and blasting — Before the advent of tunnel boring machines, drilling and blasting was the only economical way of excavating long tunnels through hard rock, where digging is not possible. Even today, the method is still used in the construction of tunnels, such… … Wikipedia
Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting … Wikipedia
tunnels 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 … Universalium
Tunnel and Reservoir Plan — The Tunnel and Reservoir Plan (abbreviated TARP and more commonly known as the Deep Tunnel Project or the Chicago Deep Tunnel) is a large civil engineering project that aims to reduce flooding in the metropolitan Chicago area, and to reduce the… … Wikipedia
drilling machinery — equipment used to drill holes in the ground for such activities as prospecting, well sinking (petroleum, natural gas, water, and salt), and scientific explorations. Drilling holes in rock to receive blasting charges is an operation in… … Universalium
blasting — process of reducing a solid body, such as rock, to fragments by using an explosive. Conventional blasting operations include (1) drilling holes, (2) placing a charge and detonator (blasting cap) in each hole, (3) detonating the charge, and… … Universalium
Cold Regions Research and Engineering Laboratory — Established 1 February 1961 (1 February 1961) Research Type … Wikipedia
Rock blasting — is the controlled use of explosives (or other methods such as gas pressure pyrotechnics or plasma processess) to excavate, break down or remove rock. It is practised most often in mining, quarrying and civil engineering such as dam or road… … Wikipedia
Mold growth, assessment, and remediation — Mold assessment and mold remediation are techniques used in occupational health: mold assessment is the process of identifying the location and extent of the mold hazard in a structure, and mold remediation is the process of removal and/or… … Wikipedia
Josh Lewis and Reva Shayne — Jeva (for Josh and Reva) on internet message boards. Storyline Josh Lewis and Reva Shayne met while growing up in Tulsa, Oklahoma. Reva s family worked for the wealthy Lewis clan. They were childhood sweethearts until Josh left for college.… … Wikipedia
List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… … Wikipedia
