| 21. | A signalman is stationed at the precast concrete plant for this traffic.
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| 22. | The precast concrete block building is about long and wide.
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| 23. | Between the buttresses are precast concrete panels with foiled heads.
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| 24. | The front and western verandahs are supported by precast aluminium doric columns.
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| 25. | The outer face of the dam was made with precast concrete blocks.
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| 26. | Tilt-ups have walls that are precast concrete and lifted into place.
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| 27. | It is the largest precast concrete building in Europe.
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| 28. | The older brick sewers are more popular than the modern precast concrete variety.
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| 29. | N . B . : Hamlet, the Ghost and Horatio are precast.
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| 30. | The IMT structure consists of eight precast concrete units.
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