jet drilling

  • 81Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY       In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… …

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  • 82jumbo — /ˈdʒʌmboʊ / (say jumboh) noun (plural jumbos) 1. Colloquial an elephant. 2. Mining a drill carriage on which several drills for horizontal drilling are placed. 3. Mining a mobile scaffold to assist drilling in large headings. 4. Mining a drilling …

  • 83Adam Air Flight 574 — Flight Route Accident summary Date 1 January 2007 …

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  • 84technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …

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  • 85Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …

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  • 86Moon pool — For the novel, see The Moon Pool. Underside of the Research Vessel Western Flyer, showing its moon pool between the two hulls. A moon pool is a feature of marine drilling platforms, drillships and diving support vessels, some …

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  • 87The Big Apple Rotten to the Core — Infobox Album Name = The Big Apple Rotten to the Core Type = compilation Artist = Various Artists Released = 1982 Recorded = Genre = hardcore punk Length = Label = S.I.N. Producer = Bob Sallese Reviews = The Big Apple Rotten to the Core is a… …

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  • 88Henri Coandă — in 1967 Henri Marie Coandă (Romanian pronunciation: [ɑ̃ˈri maˈri ˈko …

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  • 89Spirit rover — (MER A) Artist s concept of Rover on Mars Operator NASA Mission type Rover Launch date …

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  • 90Silicose — La silicose est une maladie pulmonaire provoquée par l inhalation de particules de poussières de silice (silice cristalline) dans les mines[1], les carrières[1], les percements de tunnel ou les chantiers du BTP[2] …

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