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.
There are more than one hundred different types of arthritis. Two of the most common types are osteoarthritis, caused by the wear and tear exerted on the joints through a lifetime and rheumatoid arthritis, caused by an autoimmune response in the body. Osteoarthritis is the arthritis associated with getting older.