EBOOK

Del Cemento Al Puente

Robin NelsonSeries: De principio a fin (Start to Finish)
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Pages
24
Year
2006
Language
Spanish
Publisher
Lerner Publishing Group|Lerner Publishing Group

About

How is a bridge built? Cement is mixed with water and rocks to make concrete. The concrete is poured into holes and into blocks that are stacked to make a bridge. Once fences and lights are added to the bridge, cars can drive across it.

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