 |
| air seal: 41 phrases in 19 subjects |
| Antennas and waveguides | 1 |
| Automated equipment | 2 |
| Automobiles | 1 |
| Aviation | 8 |
| Cement | 1 |
| Combustion gas turbines | 2 |
| Energy industry | 4 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Metrology | 1 |
| Nautical | 1 |
| Oil and gas technology | 1 |
| Rail transport | 1 |
| Seismology | 1 |
| Shipbuilding | 1 |
| Silicate industry | 2 |
| Technology | 6 |
| Thermal engineering | 4 |
| Transport | 1 |