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An informative and exciting look at the basics of engineering demonstrated by a
secondary school class that builds models of bridges from balsa wood
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Explains forces that work against real structures, such as live loads, people
and cars, dead loads, the weight of the structure itself and stress from the
weather
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Examines various bridge structures, like beam bridges, arch bridges and tension
bridges, illustrates which designs are most appropriate for specific stresses
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DVD, 19 minutes
