drilling size
111Machining — Machine shop redirects here. For the record label, see Machine Shop Recordings. New Guinea in 1943. Mobile Machine Shop truck of the US Army with machinists working on automotive parts. Conventional machining is a form of subtractive… …
112Machine taper — A machine taper is a system for securing cutting bits and other accessories to a machine tool s spindle. Contents 1 Explanation 2 Use 3 Types 3.1 Morse 3.1.1 …
113Punch (metalworking) — A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other that is usually struck by a hammer. A variety of punches are used in engineering, but often the purpose is to form an impression of the tip on a workpiece …
114Sidoarjo mud flow — The Sidoarjo mud flow or Lapindo mud, also informally abbreviated as Lusi , a contraction of Lumpur Sidoarjo ( lumpur is the Indonesian word for mud), is a since May 2006 ongoing eruption of gas and mud in the subdistrict of Porong, Sidoarjo in… …
115Punch (tool) — For punches used in punch presses, see Punching. A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other, which is usually struck by a hammer. Punches are used to drive objects, such as nails, or to form an… …
116Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… …
117Grinding wheel — Grinding wheels A grinding wheel is an expendab …
118Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
119Bigfin squid — Not to be confused with Bigfin reef squid. Bigfin squids The long arm squid filmed by DSV Alvin, possibly an adult Magnapinna sp. Scientific classification …
120Zigong — (zh stpw | s=自贡 | t=自貢 | p=Zìgòng | w=Tzu kung), ancient name Ziliujing and Gongjing, is a prefecture level city and the third largest city in Sichuan Province, in southwest China. Zigong is located in the Sichuan Basin. Granted the recognition… …
