industrial pumping
61Roots type supercharger — The Roots type supercharger or Roots blower is a positive displacement pump which operates by pulling air through a pair of meshing lobes not unlike a set of stretched gears. Air is trapped in pockets surrounding the lobes and carried from the… …
62Matthew Boulton — 1792 portrait of Matthew Boulton Born 3 September 1728(1728 09 03) Birmingham, England …
63tin processing — Introduction preparation of the ore for use in various products. Tin (Sn) is a relatively soft and ductile metal with a silvery white colour. It has a density of 7.29 grams per cubic centimetre, a low melting point of 231.88° C… …
64Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
65National Register of Historic Places listings in Albany, New York — The city of Albany with NHRP listings identified by pinpoints The National Register of Historic Places listings in Albany, New York represent the history of Albany from the Dutch colonial era, through the British colonial era, the American… …
66Harrisburg, Illinois — For other uses, see Harrisburg (disambiguation). Harrisburg   City   City of Harrisburg …
67Central Business District, Saskatoon — See also: Saskatoon Centre Central Business District   Neighbourhood   Saskatoon Central Business District …
68pump — pump1 pumpable, adj. pumpless, adj. pumplike, adj. /pump/, n. 1. an apparatus or machine for raising, driving, exhausting, or compressing fluids or gases by means of a piston, plunger, or set of rotating vanes. 2. Engin., Building Trades. a shore …
69Somerset — This article is about the county of Somerset in England. For other uses, see Somerset (disambiguation). Somerset Motto of County Council: Sumorsǣte ealle ( All The People of Somerset ) …
70Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …
