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  2. Research Design and Standards Organisation - Wikipedia

    en.wikipedia.org/wiki/Research_Design_and...

    The Research Designs & Standards Organisation (RDSO) is the research and development and railway technical specification development organisation under the Ministry of Railways of the Government of India, which functions as a technical adviser and consultant to the Railway Board, the Zonal Railways, the Railway Production Units, RITES, RailTel and Ircon International in respect of design and ...

  3. Birney Safety Streetcar No. 224 - Wikipedia

    en.wikipedia.org/wiki/Birney_Safety_Streetcar_No...

    Birney Safety Streetcar No. 224 is a streetcar (or trolley) in Fort Smith, Arkansas, listed on the U.S. National Register of Historic Places. [2] [3] [4] Built in 1926 by the American Car Company division of the J. G. Brill Company, [3] it is a type of streetcar known as a Birney "Safety Car".

  4. File:Trolley problem.svg - Wikipedia

    en.wikipedia.org/wiki/File:Trolley_problem.svg

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  5. Trolleybus - Wikipedia

    en.wikipedia.org/wiki/Trolleybus

    Busscar trolleybus in São Paulo, Brazil Solaris trolleybus in Landskrona, Sweden Video of a trolleybus in Ghent, Belgium. A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tram – in the 1910s and 1920s [1] – or trolley [2] [3]) is an electric bus that draws power from dual overhead wires (generally suspended from roadside posts) using spring-loaded ...

  6. Area of refuge - Wikipedia

    en.wikipedia.org/wiki/Area_of_refuge

    An area of refuge or safe room [1] is a place in a building designed to hold occupants during a fire or other emergency when evacuation may not be safe or possible. Occupants can wait there until rescued or relieved by firefighters .

  7. File:Cyclopedia of drawing (IA cyclopediaofdraw02keni).pdf

    en.wikipedia.org/wiki/File:Cyclopedia_of_drawing...

    Issued in 1904 under title: Compendium of drawing "Edited by Alfred E. Zapf"--T.p. verso Contains also examination papers and plates Includes indexes

  8. The moments before 67 souls perished in a midair collision ...

    www.aol.com/news/moments-67-souls-perished...

    On a clear night, the nearly full Bombardier CRJ700 jet approached Runway 33 around 8:48 p.m. when it collided midair with a US Army Black Hawk helicopter carrying a crew of three on a training ...

  9. Refuge siding - Wikipedia

    en.wikipedia.org/wiki/Refuge_siding

    A refuge siding is a single-ended, or dead-end, siding off a running line, [1] which may be used to temporarily accommodate a train so that another one can pass it. For example, a refuge siding might be used by a slow goods train to allow a fast passenger train to pass. [ 2 ]