| 1 | The method of observation resembles the stopwatch reference to a clock. | |
| 2 | This is a stopwatch application with BIG NUMBERS. | |
| 3 | "Today's been pretty good, " he said after ending up second on the timing screens before lunch and third afterwards. | |
| 4 | On the track, running speed can be controlled with the help of sound markers and visual markers ('beep' every 50m) or a bike equipped with a speedometer. | |
| 5 | In American football the clock stops when a player appears hurt, helping the team that is trailing or one that wants to swap in new players. |