| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS In the drawings: FIG. 1 is a side view illustrating a system embodying features of the invention and including two cars arranged on a track, one behind the other; FIG. 2 is a block diagram of a driving and braking control system embodying features of the invention and used on each of the cars in FIG. 1, FIG. 3 is a side view illustrating a system embodying feature
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