| 摘要 |
A method for leveling a vehicle on an irregular surface including the steps of positioning a first body having a sloped surface adjacent and with its sloped surface in engagement with a tread portion of one wheel of a vehicle, positioning a second body having an oppositely disposed sloped surface adjacent the oppositely facing tread portion of said wheel with its sloped surface in engagement therewith, moving the vehicle in a direction toward one of the bodies causing the wheel to move upwardly on the sloped surface of that body while, simultaneously, moving the second body toward the first body to maintain its sloped surface in engagement with the oppositely facing tread portion of the wheel, and stopping the movement of the vehicle when the vehicle attains a level attitude.
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