 |
| содержание золы: 34 phrases in 17 subjects |
| Agriculture | 1 |
| Agrochemistry | 1 |
| Automobiles | 2 |
| Bioenergy | 1 |
| Construction | 1 |
| Energy industry | 9 |
| Food industry | 1 |
| Gas processing plants | 1 |
| Geology | 3 |
| Leather | 1 |
| Mining | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Solar power | 1 |
| Technology | 2 |
| Textile industry | 4 |
| Thermal engineering | 2 |