This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
TrollyRopes. Electric bus trolly mechanism San Francisco Muni insulated poles contactors and pole pull ropes Image by User Leonard en Jayg CommonsHelper Leonard en Leonard Original upload log page en TrollyRopes Leonard bytes no bus trolly mechanism insulated poles contactors and pole pull ropes Image by User Leonard Trolleybuses