diamond drilling
101ODECO — Ocean Drilling Exploration Company (ODECO) was a pioneering offshore drilling company formed by Alden J. Doc LaBorde and John Hayward in May 1953.[1] Early years John Hayward was the builder of the Barnsdall rig, and holder of the patent on… …
102Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …
103Carbon — (), but as most compounds with multiple single bonded oxygens on a single carbon it is unstable.] Cyanide (CN–), has a similar structure, but behaves much like a halide ion (pseudohalogen). For example it can form the nitride cyanogen molecule… …
104Mining in Ghana — Ghana s economy depends largely on exports of cocoa and gold. Other mineral commodities produced in the country were aluminum, bauxite, diamond, manganese, natural gas, petroleum, salt, and silver.Economic impactThe contribution of Ghana’s mining …
105Mining industry of Ghana — accounts for 5% of the country s GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana s mining and minerals development industry remains focused on gold.… …
106Tap 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… …
107machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …
108Mineral industry of Botswana — The mineral industry of Botswana has dominated the national economy since the early 1990s. Diamond has been the leading component of the mineral sector since large scale diamond production began 25 years ago. Most of Botswana’s diamond production …
109Mining industry of Botswana — The mineral industry of Botswana has dominated the national economy since the early 1990s. Diamond has been the leading component of the mineral sector since large scale diamond production began 25 years ago. Most of Botswana’s diamond production …
110Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …
