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 |
---|---|---|---|
669 | 2010-10-22 13:34:10 | 45.71 | |
656 | 2010-10-21 14:55:12 | 34.42 |