Streetcars power the car with the positive and negative dots on the road so that the wheel also has the positive and negative poles for electricity

 Streetcars power the car with the positive and negative dots on the road so that the wheel also has the positive and negative poles for electricity.As the dots that the car can go anywhere on the road rather than the fixed track. For use when not powered up, the new heavy vehicle pushes the dots down directly to the bottom pole so that pedestrians will not be shocked.or do the wiring for each dot such as wireless charging so as not to shock

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