http://www.flixxy.com/paintless-dent-car-repair.htm

It's worth a try. This is also a service sold by auto body shops, called "Paintless Dent Repair".
 Paintless Dent Repair is effective for the following situations:
- From very small to large dents;
- Generally 1990 model year and newer vehicles;
- The paint has not been broken or cracked;
- The dent is not near the edge of a panel;
- The panel has not had previous body repair.
You can buy an air-duster at any computer repair shop.
Here is another Paintless Dent Repair video using dry ice.

   :oo0s: Καλο δείχνει

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