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.
The causes of osteoarthritis of the hip are not known. Factors that may contribute include joint injury, increasing age, and being overweight. In addition, osteoarthritis can sometimes be caused by other factors: 1  The joints may not have formed properly.  There may be genetic (inherited) defects in the cartilage.