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 |
---|---|---|---|
44 | 2010-11-18 06:38:21 | 31.55 | |
31 | 2010-11-18 03:23:32 | 29.11 |