| 31. | In 1977, a precast concrete footbridge was installed.
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| 32. | The concrete comes in precast blocks of different sizes.
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| 33. | Precast concrete and ceramic are still used as well.
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| 34. | Precast assembly enables fast completion of commercial shops and offices with minimal labor.
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| 35. | The tunnels are lined with precast concrete liner segments.
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| 36. | The tunnel was redesigned to use bolted and gasketed precast concrete tunnel segments.
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| 37. | Both are supported by precast upwardly tapering concrete columns.
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| 38. | The building was constructed mostly from precast concrete and glass and seats 1003.
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| 39. | The building will have a facade of brick with precast stone and concrete details.
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| 40. | Working with precast fiberglass mannequins posed special challenges.
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