deep hole boring machine en

  • 1Boring (mechanical) — In machining, boring is the process of enlarging a hole that has already been drilled (or cast), by means of a single point cutting tool (or of a boring head containing several such tools), for example as in boring a cannon barrel. Boring is used …

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  • 2Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …

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  • 3ROF Nottingham — Royal Ordnance Factory NottinghamBackgroundR.O.F. Engineering FactoryFactory Number 23First opened in 1916First opened as an ROF January 1936One of a number of Royal Ordnance Factories created at the start of World War IIEarly site history and… …

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  • 4Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …

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  • 5Drilling — For other uses, see Drilling (disambiguation). Drilling is a cutting process that uses a drill bit to cut or enlarge a hole in solid materials. The drill bit is a multipoint, end cutting tool. It cuts by applying pressure and rotation to the… …

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  • 6Channel Tunnel — Map of the Channel Tunnel Overview Location English Channel (Strait of Dover) Coordinates Folkestone …

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  • 7Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

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  • 8Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark …

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  • 9Engineering Projects — ▪ 1995 Introduction BRIDGES        Notable Engineering Projects(For Notable Engineering Projects in work, see Table (Notable Engineering Projects).)       As the decade of the 1990s reached its midpoint, the limits to bridge design were being… …

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  • 10Architecture and Civil Engineering — ▪ 2009 Introduction Architecture       For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)).        Beijing was the centre of the world of architecture… …

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