Postal Exam 473 / 473E. Study Guide: Yes! This is the biggie â¦ the most popular Postal exam â¦ the one used to fill all over 90% of all Postal jobs, all entry-level Processing, Distribution, Delivery, and Retail positions. Listed below are the actual jobs filled from this exam: 1  PSE Sales, Service, and Distribution Associate.
Osteoarthritis, also known as degenerative arthritis degenerative joint disease, OA, or osteoarthrosis, is a form of arthritis caused by inflammation, breakdown, and the eventual loss of cartilage in the joints-the cartilage wears down over time.
Osteoarthritis is the wear-and-tear form of arthritis that is more common as people get older. During a person's lifetime, damage to the joints is repaired by the body, but eventually joint problems can develop. This process can be caused by damage to ligaments or tendons, inflammation in and around the joint, or damage to the cartilage that protects the surface of the joints.