apron, patch
cartilage protects the bones where they meet.
Cartilage is the soft and tough layer that covers the ends of the long bones. It is included in the joint. It protects the bones from wear and tear during the movement.
scare +++ tear (as in, "wear and tear"!).
lipid layer
Rips and stains are not considered normal wear and tear on carpet.
It's not something you should worry to much about. It's just general wear and tear.
I know that Nelson luggage comes with a warranty and it protects against the bag coming apart, failing to fasten, holes in the luggage and other wear and tear issues.
No unless the foundation crack was caused by something like an earthquake. Normal wear and tear is not covered.
protiens
wear and tear
knights wear armor such as mail that protects their upper half
Osteoarthritis is wear and tear as you age. Rheumatoid arthritis is one type of an auto-immune disease, which can effect as young as infants.