Wear is one of the main factors of machine failure. If abnormal wear was not detected in time during the operation of a mechanical system. it probably leads to catastrophic consequences. The wear debris in the lubricating oil circuit contains much information about equipment wear. https://www.diegojavierfares.com/mega-price-21-Ladder-4-Tier-Wooden-Cupcake-Holder-Dessert-Display-Stand-Whitewashed-flash-save/