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Robin Nelson 
From Cement to Bridge 

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Cover von Robin Nelson: From Cement to Bridge (PDF)
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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Sprache Englisch ● Format PDF ● ISBN 9781575058115 ● Verlag Lerner Publishing Group ● Erscheinungsjahr 2004 ● herunterladbar 3 mal ● Währung EUR ● ID 4770717 ● Kopierschutz Adobe DRM
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