direction of drilling
81Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
82Safe-cracking — is the process of opening a safe, generally without the combination. It may also refer to a computer hacker s attempts to break into a secured computer system.Physical safe crackingDifferent procedures may be used to crack a safe, depending on… …
83Nationalization of oil supplies — The nationalization of oil supplies refers to the process of deprivatization of oil production operations, generally in the purpose of obtaining more revenue from oil for oil producing countries. This process, which should not be confused with… …
84Invasion of Kuwait — Infobox Military Conflict partof= the Gulf War caption= Iraqi Republican Guard fighting the Kuwaiti army in the desert. conflict=Invasion of Kuwait date=August 2 4, 1990 place=Kuwait result=Strategic Iraqi victory; Iraqi occupation of Kuwait… …
85Cylindrical grinder — The cylindrical grinder is a type of grinding machine used to shape the outside of an object. The cylindrical grinder can work on a variety of shapes, however the object must have a central axis of rotation. This includes but is not limited to… …
86Mining in Mauritania — Mauritania’s mineral sector was dominated by iron ore mining and benefciation. Other mineral commodities produced in the country included cement, copper, gold, gypsum, petroleum, salt, and steel. The Ministère des Mines et de l’Industrie was the… …
87Space weather — is the concept of changing environmental conditions in outer space. It is distinct from the concept of weather within a planetary atmosphere, and deals with phenomena involving ambient plasma, magnetic fields, radiation and other matter in space… …
88Monel — The Art Deco gate in the entrance hall of the Guardian Building is made from Monel metal.[1] Monel is a trademark of Special Metals Corporation for a series of nickel alloys, primarily composed of nickel …
89Beaconsfield Mine collapse — The Beaconsfield Mine collapse occurred on 25 April 2006 in Beaconsfield, Tasmania, Australia. Of the 17 people who were in the mine at the time, 14 escaped immediately following the collapse, one was killed, and the remaining two were found… …
90Dependent States — ▪ 2009 Introduction Europe and the Atlantic. For a list of populated Dependent States, see Table (Dependent States). In May 2008 Ilulissat, Greenland, was the site of an international summit on Arctic sovereignty attended by official… …
