| 摘要 |
A receptacle for storing an article, and usable with a similar receptacle for forming a storage unit, including a base defining a top surfa ce and a bottom surface, a substantially elongated rib extending substantially outwardly from the top surface and a substantially elongated groove provided on the bottom surface. The groove is configured and sized to releasably engage a rib of the similar receptacle. The groove is further oriented at an acute angle with respect to the rib.
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