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drill bit cutting structure type

См. также в других словарях:

  • mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

  • Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …   Wikipedia

  • Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …   Wikipedia

  • Countersink — A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the… …   Wikipedia

  • Grinding wheel — Grinding wheels A grinding wheel is an expendab …   Wikipedia

  • Hughes Christensen — Hughes Christensen, a division of Baker Hughes Inc., is a large oil and gas drill bit company. Howard Hughes, Sr. founded the company early in the 20th century. His two cone, rolling cutter rock bit whose patent was issued by the US Patent Office …   Wikipedia

  • Table saw — A table saw, equipped for cutting large pieces of sheet stock. Other names Sawbench Classification Power tool Manufacturer Bosch, Makita …   Wikipedia

  • Mandrel — For other uses, see Mandrel (disambiguation). Not to be confused with Mandrill (the primate species). Old shop made mandrel for turning hollow objects on an engine lathe …   Wikipedia

  • Lawn mower — A typical modern gasoline powered push mower. A riding mower or ride on …   Wikipedia

  • Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium …   Wikipedia

  • List of Angels in Neon Genesis Evangelion — In the anime and manga Neon Genesis Evangelion, Angels (使徒, Shito?) are beings which attack Tokyo 3 over the course of the story. They are the main antagonist of the series and were designed by Yoshiyuki Sadamoto. Contents …   Wikipedia

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