| 摘要 |
An element (1, 101, 201) for use in the assembly of a utility surface, the element (1, 101, 201) comprising at least one upstanding side wall (2, 102, 203) and means (7, 107, 207) having an upper region which is at a level above that of the upper edge (10, 110, 210) of said at least one side wall (2, 102, 203) and whose upper surface defines at least part of a utility surface to be assembled from one or more of the element (1, 101, 201), said means (7, 107, 207) being contained generally within said at least one side wall (2, 102, 203) and having a deformable, such as compressible, peripheral portion (9, 109, 209) of its upper region projecting outwardly beyond the upper edge (10, 110, 210) of said at least one side wall (2, 103, 203).
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