A machine shop can repair it if it is not damaged too severly. You may end up having to use oversize bearings. If it were me, I would replace it if it has very much damage.
Trim off spllit ends and get a haircut that takes off as much damaged hair as possible. Then start using a good hair repair treatment.
The best way would be to replace the damaged panel.
Audi's are easy for repair and most car dealerships can do it discounted. However the best way is to get someone locally to take a look who knows what they are doing.
To repair a damaged ceiling sheetrock, first, remove the damaged area, cut a new piece to fit, secure it in place with screws, tape the seams, apply joint compound, sand it smooth, and then paint to match the rest of the ceiling.
The best way to help repair the shelving is to just buy new shelving units. This would allow you to replace the units without worrying about damaged units.
There is no easy way to repair asbestos-cement pipe. If damaged, it should be removed and replaced.
If the battery is damaged replace it. There is no way to repair that damage.
The best way to repair knot holes in your desk is to remove the damaged boards. New boards guarantee the problem will be resolved and can eliminate more costly repairs down the road.
Repair damaged DNA.
The easiest way to repair damaged hair is to get it cut and then avoid heat or chemical damage. If cutting is not an option, supplements, semi-permanent coloring, and treatments like conditioning can help.
It is probably in your best interest if your camera is out of warranty to take it to a local camera repair shop. Generally if you go to a shop in person you can get a diagnosis and a repair estimate that way you can shop around and can compare both the advice on the needed repair and the cost of it.
To repair a damaged tub using a tub patch kit, start by cleaning and drying the damaged area. Follow the instructions on the patch kit to apply the patch and allow it to dry completely. Sand the patched area smooth and apply a waterproof sealant for a durable finish.