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I preach to the world that the guy who does the Chungdahm Survivors videos is a troll
I currently work for ChungDahm (Formerly CDI) and it is a fine job where they are perfectly honest to their contract.
See his troll based videos here: http://www.youtube.com/user/ChungDahmSurvivors
Here is another of my videos About Chungdahm's training week:
http://www.youtube.com/watch?v=mGh5_4o3zdA&feature=youtu.be