 |
| |||
| inside air; space air | |||
| internal air (igisheva) | |||
| indoor air; room air | |||
| внутренний воздух: 19 phrases in 11 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Construction | 3 |
| Energy industry | 6 |
| Makarov | 2 |
| Mechanic engineering | 1 |
| Nanotechnology | 1 |
| Technology | 1 |
| Thermal engineering | 1 |
| Transport | 1 |
| Wood processing | 1 |