Subheading 711230: Waste and Scrap of Precious Metal or of Metal Clad with Precious Metal; … etc.
Subheading 711291: Waste and Scrap of Precious Metals; of Gold, Including Metal Clad with … etc.
Subheading 711292: Waste and Scrap of Precious Metals; of Platinum, Including Metal … etc.
Subheading 711299: Waste and Scrap of Precious Metals; Waste and Scrap of Precious Metals … etc.