 |
| treatment plant: 90 phrases in 15 subjects |
| Agriculture | 1 |
| Alternative dispute resolution | 1 |
| Chemistry | 4 |
| Coal | 2 |
| Construction | 4 |
| Economy | 1 |
| Environment | 38 |
| General | 14 |
| Industry | 1 |
| Life sciences | 1 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 17 |
| Natural sciences | 1 |
| Technology | 2 |
| Water supply | 1 |