03_aclu03_gen_liberty.jpg. Since George Washington's election as the nation's first president in 1788, there have been a total of 43 presidents but only 16 chief justices. The longest served for 34 years, the shortest served for less than one year. Six have resigned, nine died in office, and one was an unconfirmed recess appointment.
What are bumper plates? Bumper plates are a type of weight plate for Olympic weightlifting, powerlifting, CrossFit-style workouts and more. Unlike the common iron or steel metal weight plates or discs, bumper plates are made of almost 100% rubber or urethane, with a small metal insert in the center. 1  Why use bumper plates?In short, bumper plates are designed so that you can drop a barbell that is loaded with weight plates directly on the ground.
The first element is an impact absorbing spring device, usually gas-filled cartridges which mount the front bumper to the chassis. This allows the bumper system to absorb minor impacts without any damage. The next part is the steel or aluminum support structure, which is a lateral beam. On top of that is a honeycomb or egg-crate shaped plastic piece made of HDPE which defines the bumper's ultimate external shape and supports the shape of the bumper cover. On the rear, these can be attached to the car's other bodywork or components.