During polishing, what is used?

• A. Hard wheel with coarse abrasive.
• B. Dry cloth and stone.
• C. Soft pad & mild abrasive slurry.
• D. Baseplate and water jet.

Answer: (C)

Polishing finishes a surface by removing material very slowly with tiny abrasive particles carried in a lubricating medium, so the result is a smooth, scratch-free finish. A soft pad provides gentle, even contact and cushions pressure so you don’t gouge the surface. The mild abrasive slurry supplies fine particles that abrade away microscopic high spots without creating deep scratches, allowing the surface to become glossy and uniform. Using a hard wheel with coarse abrasive would aggressively grind and roughen the surface rather than polish it. A dry cloth and stone lack lubrication and can introduce scratches, and a baseplate with a water jet is not a polishing method.