Bright-ring, PORISSHINGUKAPPU, and felt discs, which require a high-torque polishing work, and special materials such as acrylic plastic in the processing of applications.

• 光亮环，PORISSHINGUKAPPU，并认为光碟，这需要高扭矩抛光的工作，和特殊的材料，如丙烯酸塑料加工应用。