Watch this team of ironworkers battle design flaws, architectural changes, irate subcontractors. L.A. Hard Hats: Rod busters : SUN AUG 3 9P et/pt : http://channel.nationalgeographic.com/series/la-hard-hats/all/Overview/?source=4003 Author: NationalGeographic Keywords: Engineering; construction; la hard hats; engineering Added: July 23, 2008
