A method is disclosed for culling an object database in a graphics processing system. The vehicle stability control system includes a vibration detector and a corrector. A shaft bushing fixed to massaging ball rollers is mounted to the roller chain, and the left and right ends of the shaft bushings are mounted in an inserted state in the guide slits. Springs in the trailing edge support arms bias the bleeding drogue canopy to a retracted position. Remaining silicon is removed by a dry etch with XeF2 or BrF3 to expose the intermediate oxide layer.