 |
| durabilité: 36 phrases in 17 subjects |
| Agriculture | 2 |
| Automated equipment | 1 |
| Aviation | 1 |
| Chemistry | 1 |
| Construction | 11 |
| Economy | 1 |
| Electronics | 1 |
| Environment | 1 |
| Forestry | 1 |
| General | 1 |
| Hydraulic engineering | 2 |
| Mechanic engineering | 3 |
| Name of organization | 1 |
| Natural resourses and wildlife conservation | 3 |
| Politics | 1 |
| Textile industry | 1 |
| United Nations | 4 |