| 摘要 |
<p>A ramp is shown and described. The ramp may include a frame having first and second end portions and a ramp surface extending substantially between the frame and positioned between the first and second end portion. The ramp may also include a plate extending at least partially between the frame and positioned adjacent to at least one of the first and second end portions, where the frame, ramp surface and plate are monolithic.</p> |
