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Details, Fiction and Masonry

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The Roman arch avoided tension totally, maintaining the many masonry in compression, from your keystone into the piers. Stone in compression has excellent energy, and also the Romans created huge arched bridges and aqueducts in massive quantities. Extending their arch right into a tunnel, they invented the barrel vault, with http://connect.releasewire.com/company/west-hills-masonry-225482.htm

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