Print your own "Machine With Concrete" and produce a gear ratio of 244.14 quintillion to 1 http://dlvr.it/33dVZc
3:05 PM - 9 Mar 2013
0 replies
5 retweets
6 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.