Author Topic: watch movement video  (Read 1765 times)

Offline asar

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watch movement video
« on: January 23, 2012, 11:12:03 AM »
http://www.youtube.com/watch?v=MDYjUDrCPv0&feature=related

http://www.youtube.com/watch?v=cn6lHIhm5Xs

a very educational video  :thumbsup: