air-set roller mill
51Crusher — For other uses, see Crusher (disambiguation). A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more… …
52Birmingham — This article is about the city in England. For the U.S. city named after it, see Birmingham, Alabama. For other uses, see Birmingham (disambiguation). City of Birmingham   City and Metropolitan borough   …
53Pittsburgh — This article is about the city in Pennsylvania. For the region, see Pittsburgh metropolitan area. For other uses, see Pittsburgh (disambiguation). City of Pittsburgh   City   …
54Reno, Nevada — Reno redirects here. For other uses, see Reno (disambiguation). Reno   City   Reno Arch …
55Steam engine — A steam engine is a heat engine that performs mechanical work using steam as its working fluid. [ [http://www.britannica.com/EBchecked/topic/564472/steam engine steam engine Britannica Online Encyclopedia ] ] Steam engines have a long history,… …
56Six Flags Over Texas — Infobox Amusement park name = Six Flags Over Texas location = Arlington, Texas area = 212 acres (0.86 km²) opening date = August 1 1961 season = March through December rides = 50 coasters = 13 water rides = 5 owner = Texas Flags, Ltd. Operated by …
57Lagoon Amusement Park — Infobox Amusement park name = Lagoon Amusement Park location = Farmington location2 = Utah location3 = United States flagicon|USA address = P.O. Box 696 Farmington, Utah 84025 phone numbers = (800) 748 5246 opening date = 1886 season = April… …
58Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
59Busch Gardens Europe — Infobox Amusement park name = Busch Gardens Europe location = Williamsburg location2 = Virginia location3 = United States flagicon|USA opening date = May 16, 1975 previous names = Busch Gardens: The Old Country 1974 to 1992 Busch Gardens… …
60British hardened field defences of World War II — Hexagonal pillbox (type 22) British hardened field defences of World War II were small fortified structures constructed as a part of British anti invasion preparations. They were popularly known as pillboxes by reference to their shape.[1] Con …
