 |
| frottement: 383 phrases in 38 subjects |
| Agriculture | 1 |
| Automated equipment | 1 |
| Aviation | 3 |
| Chemistry | 7 |
| Coal | 6 |
| Computer numerical control | 1 |
| Construction | 23 |
| Cultural studies | 2 |
| Earth sciences | 38 |
| Electric traction | 3 |
| Electronics | 6 |
| Environment | 2 |
| Finances | 1 |
| Forestry | 2 |
| Gear train | 1 |
| General | 17 |
| Industry | 13 |
| Information technology | 2 |
| Life sciences | 10 |
| Materials science | 16 |
| Measuring instruments | 3 |
| Mechanic engineering | 18 |
| Mechanics | 1 |
| Medical | 25 |
| Medical appliances | 1 |
| Metallurgy | 48 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 7 |
| Natural sciences | 4 |
| Packaging | 4 |
| Paragliding | 1 |
| Physics | 2 |
| Research and development | 2 |
| Statistics | 2 |
| Technology | 12 |
| Textile industry | 36 |
| Transport | 60 |
| Water resources | 1 |