| Armstrong, J.H., The Railroad: What It Is, What It Does, Simmons-Boardman, Omaha, NE, 1993. |
....almost always purely electronic transfers and they are handled individually and upon presentation rather than at some scheduled time as part of a block. 3.2. Freight Rail Transportation The freight rail transport system moves large amounts of raw materials, manufactured goods, fuels, and food [2]. Operation of the freight rail system uses computers extensively for a variety of purposes. For example, every freight car in North America is tracked electronically as it moves and very large databases are maintained of car and locomotive locations. Tracking is achieved using transponders on the ....
Armstrong, J.H., The Railroad: What It Is, What It Does, Simmons-Boardman, Omaha, NE, 1993.
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