| 摘要 |
An assembly and a method for maintaining two sheets in alignment are provided. The assembly includes a first sheet and a second sheet. The first sheet of material includes a first flap formed from a first cut and has a first surface and a second surface. The second sheet of material includes a second flap formed from a second cut which is formed so that the second flap includes a tab. The second sheet is configured to be superposed against the first surface of the first sheet. The second flap and the tab are configured to deflect and move between a default position and an engaged position. The second flap and the tab are configured to be substantially coplanar with the second sheet in the default position. The tab is configured to lie on the second surface of the first sheet in the engaged position such that the second flap intersects the first sheet.
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