The die is specially constructed so as to be able to collapse into a flat board and made exacting specifications.

骰子是按照特殊的规格制作而成的，以至于可以瞬间变成一个平板。

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The utility model relates to a multi-functional stationery board, which comprises a flat board and is characterized in that a pen holder and a notebook connecting hole are arranged on the flat board.

本实用新型涉及一种多功能文具板。它包括平板，其特征在于：所述 的平板上设有笔座和笔记本连接孔。

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Yet rather than empowering teachers to find what works best for their students, the policy imposes a flat, across-the-board rule.

然而，该政策并没有赋予教师权力去探索最适合他们学生的方法的能力，而是强加了一种单一的、一刀切的规则。

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From its heyday in the 1970s, table hockey featuring stick figures on a flat board controlled by metal rods, wielding mini-sticks swatting at a small puck was nearly wiped out by videogames and the Internet.

WSJ: Table Hockey, on Ice Since Heyday in 1970s, Makes a Comeback

After the words were complete, the body was placed on a prepared flat board, tipped up, and the deceased body eased into the sea.

WHITEHOUSE: Press Briefing

Aluminum foil as wrinkle remover: To get wrinkles out of silk, wool, and rayon clothes that can't take direct heat, place a piece of foil on your ironing board, then lay the garment flat over it.

CNN: New uses for Thanksgiving items