About brake and suspension system

I just wan share about the brake and suspension system~ hehe~ brake is most important in a car~ kos,if the car connot brake,then the car cannot drive le~ haha~ is common sence la~ but did u all know,brake have brake pad de~ if the brake pad worn out,u must change lo~ then u come to find me,kk~ ^^ hahax~ The suspension is about a car is hanging~ If a car din`t have suspension system,the tyre of car will spoil,u just hard to imagine how the tyre spoil~ Is all about my automotive knowledge~ today,my teacher so funny~ haha kos he always funny la~