Longer the cable the greater the chance of getting them damaged. This may result in leaking of current due to poor insulation. For high voltage circuits this can be dangerous. Also if they get damaged, you obviously have to replace them so it can be dangerous to your wallet. (:
Rocks wear away because slowly,wind/water take away tiny pieces of dust and slowly it gets worn away.
Mitosis allows growth and replaces worn out or damaged cells.
Worn or damaged front seal, worn or damaged torqueconverter hub, worn or damaged torqueconverter hub bushing. Worn or damaged torqueconverter hub bushing will sometimes damage the input stator which requires disassembly of the transaxle assembly.
the tyres get worn down and it becomes dangerous because the tyres have no gripBadly worn tires can blowout and you can easily loose control of your vehicle.
Any of the following, worn tie rods, worn ball joints, loose wheel, damaged wheel, out of balance tire, damaged tire, worn out/broken spring, worn out/broken shock absorber, or worn out/broken strut.
When they are worn down or damaged.
reduction division
One or more of your cylinders are not holding their seal. Worn out piston rings, worn/damaged piston, worn/damaged cylinder wall are the most likely problem areas.
damaged/ worn brake rotors.
Your break pads are worn out - you need to get your breaks serviced - you may find that because you have left them to get to this stage you have damaged the disks too - its going to be expensive!
Cell division allows for growth, as cells divide to produce new cells. Worn out or damaged cells are typically removed through programmed cell death, also known as apoptosis, which helps maintain the health and proper functioning of tissues and organs.