Component failures.
Here some vids of the extreme level of conditions that some F1 components are submited.
Brake failure - http://www.youtube.com/watch?v=0KKahHDKmZQ&
Clutch - http://www.youtube.com/watch?v=55FXYx3cME0&
These are some othes weird failures:
Suspension - http://www.youtube.com/watch?v=WpeKk8EAbq4&
Tyre - http://www.youtube.com/watch?v=JjR3VMVsXcc
Rear wing - http://www.youtube.com/watch?v=agE0N78iI1c and http://www.youtube.com/watch?v=kKMp5LBiafY
And! Driver failure!! - http://www.youtube.com/watch?v=BwOG3gWvJ7g
I belive this belong on Engine, transmission and controls, but if not please somebody contact me