| 摘要 |
A work apparatus including a platform element with an upper surface and a lower surface. The upper surface of the platform element includes a plurality of indented portions that are capable of at least partially receiving a user's knees. In one preferred and non-limiting embodiment, the work apparatus includes at least one and typically multiple roller elements positioned on the lower surface of the platform element. These roller elements allow the platform element to move across a substantially horizontal surface, such as the ground, a floor and the like.
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