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Sigma KEE - Train
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Train
Train is the subclass of TransportationDevice whose instances are linked sequences of RollingStock.
Relationships      
Parents Collection Collections have members like Classes, but, unlike Classes, they have a position in space-time and members can be added and subtracted without thereby changing the identity of the Collection. Some examples are toolkits, repeated actions, football teams, and flocks of sheep.
  PoweredVehicle A Vehicle that has a powerComponent. Note that PoweredVehicles include those vehicles that have a powerComponent where the user can and does often choose not to use it, such as a moped with pedals.
  RailVehicle A Vehicle designed to move on Railways.


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