| 8456.11 | 000 | Operated by laser |
| 8456.12 | 000 | Operated by other light or photon beam processes |
| 8456.20 | 000 | Operated by ultrasonic processes |
| 8456.30 | | Operated by electro-discharge processes |
| 8456.30 | | - Numerically controlled |
| 8456.30 | 011 | -- Wire electrical discharge machines |
| 8456.30 | 019 | -- Other |
| 8456.30 | 090 | - Other |
| 8456.40 | 000 | Operated by plasma arc processes |
| 8456.50 | 000 | Water-jet cutting machines |
| 8456.90 | 000 | Other |
