The 3 Training Elements
The interactive circuit diagram is shown in the background. A virtual control panel is shown in the bottom-right corner, and a view of the virtual yard is shown in the top-right corner. The three training elements function in parallel. Switching may be implemented either with mouse clicks on the interactive circuit diagram, or with virtual button presses on the virtual control panel. When one of the elements are activated, the other elements are updated simultaneously. The trainee can therefore see the total results of his/her actions instantaneously.

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