 |
| flue dust: 55 phrases in 17 subjects |
| Agrochemistry | 2 |
| Cement | 3 |
| Construction | 2 |
| Ecology | 3 |
| Energy industry | 2 |
| Leather | 1 |
| Makarov | 3 |
| Mechanic engineering | 1 |
| Metallurgy | 16 |
| Natural resourses and wildlife conservation | 4 |
| Oil / petroleum | 2 |
| Shipbuilding | 1 |
| Silicate industry | 2 |
| Technology | 4 |
| Textile industry | 2 |
| Thermal engineering | 4 |
| Transport | 3 |