| 84 | Reactors nuclear, boilers, equipment and mechanical devices; their parts |
| 8460 | Machine rough-grinding, sharpening, grinding, honing, lapping, polishing or other operations finishing metal or cermets with a grinding stones, abrasives or polishing products, other than zuborev |
| 846011 | Surface grinding accuracy of positioning along any axis being not less than 0,01mm, with cnc |
| 84601100 | Surface grinding accuracy of positioning along any axis being not less than 0,01mm, with cnc |