| 41. | Retaining walls and catch fences were improved around the track.
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| 42. | A stone retaining wall lines the front of the cemetery.
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| 43. | Q . My concrete retaining wall has a vertical crack.
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| 44. | A granite retaining wall creates a narrow strip for plantings.
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| 45. | Inverted arches are often used in conjunction with retaining walls.
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| 46. | Schrader was injured Thursday when he slammed head first into a concrete retaining wall.
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| 47. | A basement wall is thus one kind of retaining wall.
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| 48. | Large retaining walls were built to protect the internal structure.
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| 49. | In places, stones had been laid into low retaining walls.
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| 50. | A low, retaining wall edges the property to the street.
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