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 |
---|---|---|---|
690 | 2010-06-29 07:01:07 | 38.37 | |
482 | 2010-06-23 10:40:25 | 36.49 |