Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 56 Machine-tools for working material by laser/light/photon beam, etc Commodity Code Description 84 56 10 Machine-tools operated by laser or other light or photonbeam processes 84 56 11 Operated by laser 84 56 12 Operated by other light or photon beam processes 84 56 20 Machine-tools operated by ultrasonic processes 84 56 30 Machine-tools operated by electro-discharge processes 84 56 40 Machine tools, numerically controlled, for working any material by removal of materia 84 56 50 Water-jet cutting machines 84 56 90 Wet processing equipments for the application by immersion of electro-chemical soluti 84 56 91 Machine-tools for dry-etching patterns on semiconductor materials 84 56 99 Machine-tools nes