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Last login: 23 hours agoJackernapes: jackernapes is a 20 year old guy from California, USA.; Likes 6,520 pages, 168 videos, 3 photos • 9 fans; Member since Aug 21, 2007

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Three Port Two Way Normally Close Valve: Sep 5, 2007 10:01pm 1 review •http://www.mekanizmalar.com/parallel_...; cool mechanism demonstrations, dunno what the ultimate purpose is, but fun for the mechanical minded!