Because its broken get another one
The earth's tilt causes an uneven heating of the earth. The uneven heating due to the tilt causes the different seasons throughout the year.
the uneven heating of the earth
Glass
Uneven watering.
uneven induction hardening pattern
Uneven heating of the sun.
Bad rotors
a bad haircut .. hahaha
Uneven solar heating
it can if it has uneven wear
the uneven heating of earth's surface causes pressure differences which set air in motion
not enough ingredients, or need to add oil