 |
| rørledning: 43 phrases in 16 subjects |
| Agriculture | 1 |
| Chemistry | 2 |
| Coal | 1 |
| Construction | 2 |
| Earth sciences | 1 |
| Electronics | 5 |
| Energy industry | 3 |
| Environment | 1 |
| Finances | 1 |
| General | 5 |
| Mechanic engineering | 7 |
| Metallurgy | 2 |
| Municipal planning | 1 |
| Oil / petroleum | 1 |
| Patents | 2 |
| Transport | 8 |