Glue it to poster board or thin cardboard.

然后将图画粘在一张布告板，或者薄一点的硬纸板上。

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Piece of thin cardboard (not the corrugated type), about 30x30cm

一块薄纸板（不要波浪形的），约30*30cm

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Write your partner a love letter or poem on one sheet of paper. Glue it to thin cardboard, cut it up into puzzle-shaped pieces, then mail all the pieces.

给你的恋人写一封情书或一首情诗，并把它贴在一张硬纸板，用刀把硬纸板切成各种形状的碎片，然后把所有碎片寄给你的恋人。

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The paper industry consumes a tremendous amount of energy and raw materials: thin cardboard could cut both.

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