Overview:Toughest work environments, including fighting fires, cleaning up waterways and repairing an Olympic venue.
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First Air Date: May 16, 2011Last Air date: Jun 11, 2013Season: 3 SeasonEpisode: 30 EpisodeRuntime: 60:14 minutesQuality: HDIMDb: 3.5 / 10 by 2 usersPopularity: 3.7995Language: en
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