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A pantograph (or "pan" or "panto") is an apparatus mounted on the roof of an electric train, tram or trolley buses [1] to collect power through contact with an overhead line. The term stems from the resemblance of some styles to the mechanical pantographs used for copying handwriting and drawings.
A railroad section gang — including common workers sometimes called gandy dancers — responsible for maintenance of a particular section of railway.One man is holding a bar, while others are using rail tongs to position a rail.
NICET's professional certification is based on testing that covers a broad range of job knowledge, verification of job performance, and an evaluation of work experience. NICET certification represents a career level (i.e., not a course outcome). NICET's certification cannot be gained by attendance only.
The station equipment interpreted this as the track is free and allowed another train in to proceed into the station, which then crashed into the previous train from behind. [12] June 22, 2009 Washington Metro train collision, which occurred when a parasitic oscillation developed in a track circuit control module. [4]
Andrew_Loomis,_Successful_Drawing.pdf (312 × 435 pixels, file size: 22.69 MB, MIME type: application/pdf, 151 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
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Narrow gauge work train in the East Side Access cavern where the Manhattan terminus of the standard gauge Long Island Rail Road was built. A temporary way is the temporary track often used for construction, to be replaced by the permanent way (the structure consisting of the rails, fasteners, sleepers/ties and ballast (or slab track), plus the ...
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