Paper Bridge

1、材料：10张A4纸，一根50cm棉线，2个固体胶；除此以外不得使用其它材料。 1. Material, 10 pieces of A4 papers, 50cm string, 2 glue stick (not hot glue). no other materials allowed

2、规则： 2. Rules

1）纸桥总重不超过0.5KG；

 Weight of bridge should be less than 0.5KG

2）纸桥长不小于30CM，宽不小于5CM；

 Bridge is longer than 30cm, wider than 5cm

3)桥面成水平线；

 bridge should provide a flat surface.

4) 必须有桥墩且桥墩内侧可通过长宽各为20CM，高10CM的长方体；

 There should be a space allow a 20cm wide and 10cm high block to pass through

5）桥的形式不限

 NO other restrictions on the shape of the bridge

6）以放置在桥面上的物体总重为其承重成绩（桥不倒塌且桥面不下沉达5CM），若桥倒塌，以前一次成绩计算。承重量越大成绩越好。

 The result would be the weight the bridge hold without collapsing or sink for less than 5cm. The bridge with more weight wins.