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 the most common kind of arthritis. It is a joint disease caused by inflammation. Healthy cartilage, the firm, rubbery tissue that cushions bones at joints, lets bones glide over one another while cartilage absorbs energy from the movement. In OA, cartilage breaks down and wears away.