… sharpening, grinding, honing, lapping, polishing or otherwise finishing metal or cermets by means of grinding … gear cutting, gear grinding or gear finishing machines of heading 84.61. …
Explanatory notes
… sharpening, grinding, honing, lapping, polishing or otherwise finishing metal or cermets by means of grinding … gear cutting, gear grinding or gear finishing machines of heading 84.61 (+). - Flat‑surface grinding …