lateral drill
21Grinding wheel — Grinding wheels A grinding wheel is an expendab …
22Sergeant — For other uses, see Sergeant (disambiguation). Common anglophone military ranks Navies Armies Air forces Officers Admiral of the fleet Marshal / fi …
23Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
24Single-wing formation — In American and Canadian football, a single wing formation is any offensive formation having exactly one wingback and one tight end aligned together. The single wing formation, created by Glenn Pop Warner, was a precursor to the modern spread or… …
25Oil platform — A typical offshore oil/gas platform. An oil platform, also referred to as an offshore platform or, somewhat incorrectly, oil rig, is a lаrge structure with facilities to drill wells, to extract and process oil and natural gas, and to temporarily… …
26Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …
27Plateosaurus — Unikonta Plateosaurus Temporal range: Triassic, 216–199 Ma …
28Nankai Trough — The Nankai Trough 南海トラフ (Nankai Torafu?) is a submarine trough located south of Japan s island of Honshū, extending approximately 900 km offshore. In plate tectonics, the Nankai Trough marks a subduction zone that is caused by subduction of… …
29Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium …
30Mandrill — This article is about the primate. For other uses, see Mandrill (disambiguation). Mandrill[1] Conservation status …
