 |
| filter bags: 39 phrases in 18 subjects |
| Aluminium industry | 2 |
| Automobiles | 1 |
| Cement | 2 |
| Chemical industry | 1 |
| Construction | 1 |
| Energy industry | 8 |
| General | 1 |
| Machine components | 1 |
| Makarov | 1 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 5 |
| Nautical | 1 |
| Occupational health & safety | 6 |
| Production | 1 |
| Sakhalin | 1 |
| Technology | 3 |
| Transport | 1 |
| Ventilation | 1 |