Please research some discussions published in Pprune about the "3 killers"...
One or two years ago...
The 3 single reasons why an airplane will crash on takeoff...
TRIM, FLAPS, SPOILERS...
Check list completed or not - every time I line up for takeoff, I CHECK my 3 killers.
xxx:

Happy contrails... repeat after me... TRIMS-FLAPS-SPOILERS