| 摘要 |
A rectangular cardboard insert has small pieces cut from its corners to form a flat base and four edges. The lines forming the intersections of the base with the various edges are scored to help guide the edges as they are folded up. The inserts may be stacked upon one another for easy packaging, shipping, and handling. Ads are placed on the inserts, and the inserts are placed into plastic grocery bags or other carrying containers to reinforce the bottom thereof.
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