Washers are a vital component of many fastened joints. Washers are critical to the operation of virtually every device with moving parts. They perform a variety of functions beyond just securing bolts, nuts, screws and rivets. They can insulate, seal, lock, provide spacing, improve appearance, supply spring force, align parts, and distribute loads.
On May 22, 2012, after eight years of preparation, Space Exploration Technologies (better known as SpaceX) launched the Dragon spacecraft atop a Falcon 9 rocket from Cape Canaveral Air Force Station in Florida. The spacecraft traveled more than 200 miles to reach its destination: the International Space Station (ISS).
