 |
| fissuration: 105 phrases in 20 subjects |
| Astronautics | 1 |
| Aviation | 5 |
| Ceramics | 1 |
| Chemistry | 11 |
| Construction | 21 |
| Electronics | 1 |
| Food industry | 1 |
| Geology | 11 |
| Hydraulic engineering | 6 |
| Mechanic engineering | 5 |
| Medical | 1 |
| Metallurgy | 12 |
| Military | 1 |
| Mining | 4 |
| Natural resourses and wildlife conservation | 2 |
| Oil and gas technology | 3 |
| Packaging | 3 |
| Technology | 6 |
| Trucks/Lorries | 3 |
| Welding | 7 |