| 摘要 |
This comprises a series of tubular elements (2) each having an opening (2a) and a closed end (2b) and each being connected to the others by their adjacent sides, while the outer peripheries of the rack (1) around the openings (2a) and closed ends (2b) respectively comprise a collar (2e, 2h) with a projecting strip (2f, 2i) over the top of said rack and a groove (2g, 2j) along the bottom in such a way that several racks (1) can be stacked securely on top of each other. <IMAGE>
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