| 21. | The towers were built of reinforced concrete and prestressed concrete.
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| 22. | He did not invent prestressed concrete, but he did develop it for practical use.
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| 23. | Made of reinforced and prestressed concrete, the cable-stayed bridge spans from shore to shore.
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| 24. | Pier 6 was underpinned in 1981-82 with two new cylinders and prestressed concrete caps.
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| 25. | The firm contributed a lot to the introduction of Prestressed Concrete Structures in Egypt.
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| 26. | The inventor of prestressed concrete is Eugene Freyssinet of France.
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| 27. | The 1985 bridge is of a twin post-tensioned prestressed concrete type in a continuous span.
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| 28. | Another advancement is in the use of prestressed concrete.
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| 29. | Muhic runs a state-owned plant that makes prestressed concrete, and he expects to be busy.
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| 30. | Some notable civil structures constructed using prestressed concrete include : Ringhals nuclear reactor Videbergshamn Sweden
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