The invention of the wheel represented a major turning point in human civilization. Besides its use in transportation, the wheel went on to become the basic principle behind almost every mechanical device.
Game | Time | WPM | Accuracy |
---|---|---|---|
484 | 2011-03-10 17:39:00 | 40.69 | |
9 | 2011-02-27 03:21:22 | 16.04 |