depends what from? If its from a car/van then try rubbing car polish in a circular motion over it. If this doesn't work then bring the car to a paint shop or live with the scratch. (Depending on how bad the key scratch is, you may need to protect against rust).
you dont
No. You can get a store to buff the disks to minimize the scratches. If they are deep scratches though, it will not work.
Yes, you can buff the surface of a disc with toothpaste to remove, or lessen, scratches.
You can purchase a vinyl repair kit to remove the scratches. You can also use silicone to fill in the scratch, and buff it out.
They remove scratches off a car by first trying to buff them out. If that does not work, the scratches are sanded, they are then filled with filler, and sanded again. Next a primer is put over the scratches, and then paint to match the rest of the car.
A fine grit sandpaper may buff scratches out, or maybe polishing compound. There really is no way to get rid of scratches in plastic, just cover them up.
It is impossible to completely remove scratches from a CD. Many commercial products to remove scratches exist, but they can often exacerbate the problem. You can "buff" out scratches by rubbing a small amount of fluoride toothpaste on it in a circular pattern.
yes you really should
If the scratch is in the clear coat, then there is a possibility to buff it out. Deep scratches into the color coat need to be color filled matching paint color) then clear coated over.
a buffer In most cases if you can feel the scratch with your finger nail, it's to deep to buff out.
Perception is key, here. They are hearty.
In order to get a floor sander one must have accurate and precise knowledge of the issue at hand and must have the expertise to solve the conundrum okay.