| 31. | The interior has a single nave with ogival barrel vaults.
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| 32. | Ramirense architecture introduced barrel vaults made of tufa ( a relatively lightweight limestone ).
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| 33. | Its roof was a long barrel vault with steel supports.
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| 34. | The castle has a barrel vault above the ground floor.
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| 35. | Use of the barrel vault replaced the Hellenic use of columns to support roofs.
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| 36. | The first floor room has a reconstructed wooden floor and semicircular stone barrel vault.
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| 37. | The nave contains a barrel vault with lunettes and arches in the three sections.
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| 38. | It is roofed by three barrel vaults supported by pillars.
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| 39. | The nave has a barrel vault lit by clerestory windows.
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| 40. | The barrel vault has shaped battens with decorative holes.
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