excavation machine

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• Excavation (archaeology) — The term archaeological excavation has a double meaning.# Excavation is the best known and most commonly used within the science of archaeology. In this sense it is the exposure, processing and recording of archaeological remains. # The term is… …   Wikipedia

• Machine Empire — The Machine Empire is a group of robotic villains in the Power Rangers universe, who first appeared in the television show Power Rangers Zeo and were later mentioned in Power Rangers in Space and Power Rangers Wild Force. Contents 1 History 2… …   Wikipedia

• trenching machine — ▪ engineering also called  Ditcher, or Digging Wheel,         excavation machine employing a wheel fitted with rim buckets, or with a boom or ladder on which an endless chain of buckets or scrapers revolves. The machine is self propelled on… …   Universalium

• Tunnel boring machine — A tunnel boring machine that was used at Yucca Mountain nuclear waste repository A tunnel boring machine (TBM) also known as a mole , is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.… …   Wikipedia

• Trencher (machine) — A wheel trencher in South Africa A trencher is a piece of construction equipment used to dig trenches, typically for laying pipes or cables, or for drainage. Trenchers may range in size from walk behind models, to attachments for a skid loader or …   Wikipedia

• coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

• Huhtiniemi mass grave — is a mass grave site with two graves and at least 15 bodies in Huhtiniemi, Lappeenranta, eastern Finland. Further 10 bodies were excavated already in 1971, leading for the more recent studies, and fragments of two other individuals were found in… …   Wikipedia

• Bulldozer — For other uses, see Bulldozer (disambiguation). A Caterpillar D10N bulldozer equipped with a single shank ripper. A bulldozer is a crawler (continuous tracked tractor) equipped with a substantial metal plate (known as a blade) used to push large… …   Wikipedia

• Tver — ( ru. Тверь) is a city in Russia, the administrative center of Tver Oblast. Population: 405,500 (2007 est.); 408,903 (2002 Census). Tver was formerly the capital of a powerful medieval state and a model provincial town in Imperial Russia with… …   Wikipedia

• Sudd — Swamp from space, May 1993. This photograph was taken during the driest time of year summer rains generally extend from July through September. The Sudd (Arabic سد, sad, barrier ), also known as the Bahr al Jabal, As Sudd or Al Sudd, is a vast… …   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