4.2 **The Science of ABS: Components and Operation** One moment , just fetching your lesson... ⇦ Back to **anti-lock braking system (abs): safety first:** Now let's see if you've learned something... Take the test ⇦ 4.1 **Understanding Wheel Lock-up and the Need for ABS** 4.3 **ABS in Action: Enhanced Safety and Driver Control** ⇨