| 摘要 |
An apparatus includes a frame and a roller. The frame has a first portion and a second portion. The first portion is configured to be coupled to a vehicle configured to move along a surface, such as for example, an industrial utility vehicle, scooter or the like. The roller is coupled to the second portion of the frame such that when the first portion of the frame is coupled to the vehicle the second portion of the frame and the roller are spaced apart from the surface, and the roller is configured to contact a portion of a substantially cylindrical roll. The portion of the substantially cylindrical roll is disposed between the surface and a horizontal center line of the substantially cylindrical roll.
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