| 摘要 |
<p>System for assembling a temporary surface includes a grab head and a plurality of mats configured to be placed on the ground and interconnected to form the temporary surface. The grab head includes first and second opposing jaws, each jaw having first and second spaced-apart teeth. Each tooth includes at least one flange and is engageable with one among a series of holes formed in one of the mats.</p> |
