An arch is a structure commonly used in bridges and buildings. This video presents examples of the arch as a structural unit and introduces the concepts of compression and tension. Provides support for the structures and mechanism unit of grade 6 to 8 science programs. Check our website for more projects:http://hilaroad.com/projects
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Scooped by
Gumersindo Fernández
onto tecno4 January 6, 2013 1:49 PM
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