Bidirectional latent AGV, dive into the bottom of the car or other wheeled vehicles, the use of lifting rods to hold the material car for shipping or traction, select the site docked, forward, backward, steering movement, easy to move back and forth logistics , The series AGV is widely used in the production workshop.
https://www.tzbotautomation.com/automatic-guided-vehicle/lurking-agvs/bidirectional-lurking-agv.html