Brake pads are a component of a car's braking system, consisting of a steel backing plate with a friction material attached to the surface, which when pressed against a rotating disc (brake rotor), creates friction to slow down or stop the vehicle by converting kinetic energy into heat; essentially, they are the part that applies pressure to the brake rotor to enable braking
A spark plug (sometimes, in British English, a sparking plug,[1] and, colloquially, a plug) is a dev...