Skyscrapers
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Comcast Center, Philadelphia, PennsylvaniaThe seventeenth level of the core is quickly and safely formed with the ACS formwork system at a height of 274 ft (83.50 m). |
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Comcast Center, Philadelphia, PennsylvaniaThe seventeenth level of the core is quickly and safely formed with the ACS formwork system at a height of 274 ft (83.50 m). |