operation and maintenance center
41District of Columbia Department of Parks and Recreation — D.C. Dept. of Parks and Recreation logo in 2010 Agency overview Formed …
42Durango and Silverton Narrow Gauge Railroad — Durango Silverton Narrow Gauge Railroad Locale La Plata County and San Juan County, Colorado Dates of operation 1881–present Track gauge …
43Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
44295th Ordnance Heavy Maintenance Company (FA) — The 295th Ordnance Heavy Maintenance Company (FA) was a Field Army company of the United States Army from April 16, 1943, through January 1, 1946. Serving under the First, Second, Third, Seventh, and Ninth Army divisions, the company played an… …
45List of accidents and incidents involving military aircraft, 1950-1974 — This is a list of notable accidents and incidents involving military aircraft grouped by the year in which the accident or incident occurred. For more exhaustive lists, see the [http://www.baaa acro.com/ Aircraft Crash Record Office] or the [http …
46Data center — An operation engineer overseeing a Network Operations Control Room of a data center. A data center (or data centre or datacentre or datacenter) is a facility used to house computer systems and associated components, such as telecommunications and …
47John F. Kennedy Center for the Performing Arts — Kennedy Center redirects here. For the spaceport, see Kennedy Space Center Kennedy Center …
48World Trade Center — For other uses, see World Trade Center (disambiguation). World Trade Center[1] …
49Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
50Nuclear weapons and the United Kingdom — United Kingdom Nuclear program start date 10 April 1940 First nuclear weapon test 2 October 1952 First fusion weapon test …