| 摘要 |
A stack of trays (1) which are superimposed and held by an arch (4, 5) acting as a handle (5) which is inserted into suitable slots (3) formed along one diagonal at two opposite corners and is blocked by suitable retainers (11, 12) at its bottom ends. The trays (1) are provided with spacers (8) located on their bottoms and the upper surfaces all around their recessed container portions (6). Little notches (2) acting as containers for receiving any residue are formed at the ends of the other diagonal along which no slots are provided.
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