8456            |    Machine-tools for working any material by removal of material, by laser or other light or photon beam, ultrasonic, electro-discharge, electro-chemical, electron beam, ionic-beam or plasma arc processes;
8456.11.00     -- Operated by laser
8456.12.00     -- Operated by other light or photon beam processes
8456.20.00   - Operated by ultrasonic processes
8456.30.00   - Operated by electro-discharge processes
8456.40.00   - Operated by plasma arc processes
8456.50.00   - Water-jet cutting machines
8456.90.00   - Other