| 25020 | Manufacturing forming processes |
| 25040 | Industrial automation systems |
| 25060 | Machine tool systems |
| 25080 | Machine tools |
| 25100 | Cutting tools |
| 25120 | Chipless working equipment |
| 25140 | Hand-held tools |
| 25160 | Welding, brazing and soldering |
| 25180 | Industrial furnaces |
| 25200 | Heat treatment |
| 25220 | Surface treatment and coating |
