bitumen-based
41Royal Dutch Shell — plc Type Public limited company Traded as LSE:  …
42Ed Stelmach — Infobox First Minister honorific prefix = The Honourable name = Edward Michael Stelmach honorific suffix = MLA caption = At the Calgary Stampede order = 13th office = Premier of Alberta term start = December 14, 2006 term end = lieutenant… …
43Winter service vehicle — A winter service vehicle (WSV), or snow removal vehicle, is used to clear thoroughfares of ice and snow.cite news|url=http://news.bbc.co.uk/1/hi/magazine/6342887.stm|title=How do snowplough drivers get to work?|publisher=BBC News Magazine… …
44Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …
45photoengraving — /foh toh en gray ving/, n. 1. a photographic process of preparing printing plates for letterpress printing. 2. a plate so produced. 3. a print made from it. [1870 75; PHOTO + ENGRAVING] * * * Any of several processes for producing printing plates …
46Mining industry of Nigeria — The mining of minerals in Nigeria accounts for only 0.3% of its GDP, due to the influence of its vast oil resources. The domestic mining industry is underdeveloped, leading to Nigeria having to import minerals that it could produce domestically,… …
47Alberta — Infobox Province or territory of Canada Name = Alberta AlternateName = Fullname = Province of Alberta EntityAdjective = Provincial Label Motto = la. Fortis et liber ( Strong and free ) OfficialLang = English (see below) Flower = Tree = Lodgepole… …
48History of photography — The first permanent photograph was an image produced in 1826[1] by the French inventor Joseph Nicéphore Niépce.[2] …
49Keystone Pipeline — (Finished Phase 1) [1] Location Country Canada United States From Hardisty, Alberta Passe …
50Colas Ltd — Type Private Company Industry Civil Engineering Headquarters Rowfant, West Sussex United Kingdom 14 offices nationwide Key people Lee Rushbrooke CEO, Stewart Struthers Deputy CEO …
