Chicago Switching Forum
Chicago Switching => General Discussion => Topic started by: TBurke on January 27, 2014, 06:52:42 PM
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From the new issue of Crain's Chicago Business.
http://www.chicagobusiness.com/article/20140125/ISSUE01/301259979/this-brew-crew-keeps-trainloads-of-beer-from-freezing#
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good article