… Waste and scrap of precious metal or of metal clad with precious metal; other waste and scrap containing precious … metal compounds, of a kind used principally for the recovery of precious metal other than goods of heading 85.49. …
Explanatory notes
… metal compounds, of a kind used principally for the recovery of precious metal other than goods of heading 85.49 … films, printed circuit boards, etc. (B) Waste and residues derived from the mechanical working of precious … etc., for example, sweepings, dust, lemels, shavings, etc., resulting from shaping, drilling, working, etc. (C) Scrap …