Common Features to Recognize Actuation
In the photograph below, three features of actuation are circled:
the camera overhead aimed at the left-turning lanes across the street;
the pedestrian button; and
the large metal box.
In the photo below, there are circles around or arrows pointing to the:
large metal box
pedestrian button, and
grooves in the pavement that house the wires connected to the computer
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Common Features to Recognize Actuation