Roller coasters are widely known for their drops, inversions, airtime, and other intense ride elements that contribute to a thrilling ride experience. They are also made up of a variety of features and components responsible for the mechanical operation and safety of the ride. Some are very common and appear on every roller coaster in some form, while others are unique to certain makes and models. Amusement parks often compete to build the tallest, fastest, and longest roller coasters to attract thrill seekers and boost park attendance.[1] As coaster design evolved with the aid of computer-simulated models, newer innovations produced more intense thrills while improving overall quality and durability.[2]