. Removing damaged panels and parts, and removing upholstery and accessories to gain access . Removing dents by hammering panels . Straightening damaged vehicles and parts using mechanical and hydraulic equipment . Replacing badly damaged sections with new or second-hand panels . Filling depressions with plastic filler and filing grinding and sanding repaired surfaces . Cutting and joining replacement sections using welding equipment . Fitting repaired or replacement panels on vehicles and refitting body hardware such as door locks and trims.