 |
| air separation: 41 phrases in 16 subjects |
| Aluminium industry | 2 |
| Electronics | 1 |
| Energy industry | 4 |
| Food industry | 1 |
| General | 1 |
| Hydraulics | 2 |
| Industry | 1 |
| Makarov | 1 |
| Medical | 1 |
| Mining | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Refrigeration | 8 |
| Sakhalin | 4 |
| Technology | 8 |