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Feature 3: with the introduction of bendable concrete, the most ubiquitous construction material known to man gets an update that makes it safer and more durable

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RESTRICTIONS:

The collection is open without restriction.

USE & PERMISSIONS:

Copyright is held by the Regents of the University of Michigan but the collection may contain third-party materials for which copyright is not held. Patrons are responsible for determining the appropriate use or reuse of materials.