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 (OA) is a form of degenerative joint pain caused by wear and tear on your joints. As you age, the cartilage that cushions your joints starts to wear down, causing the bones to rub together.The bone-on-bone action leads to inflammation of the joints.steoarthritis (OA) is a form of degenerative joint pain caused by wear and tear on your joints. As you age, the cartilage that cushions your joints starts to wear down, causing the bones to rub together.