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Understanding: Bridges


Understanding: Bridges

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Item Number:
DCS DC723494
Price:
$49.95
Format:
VHS
     Click for DVD Format   
Length:
26 min.
Copyright:
1999
Closed Caption:
Yes
Producer:
Discovery Channel School
Grade Level:
9 - 12
ISBN:
1563318210
Summary:
There's more to the "why" of bridges than getting to the other side! Here, learn why some are light and elegant, while others are massive slabs; why some are arched and some suspended; why some are concrete and others steel. Don the proverbial hard hat, too, and see up close just how we pull off putting up these enormous structures.

Only available in the US.




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