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pressure-shell : 22 phrases in 13 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 2 |
| Electronics | 1 |
| Energy industry | 3 |
| Gas processing plants | 1 |
| General | 1 |
| Makarov | 3 |
| Nanotechnology | 1 |
| Nautical | 1 |
| Oil and gas | 3 |
| Public utilities | 1 |
| Technology | 1 |
| Thermal engineering | 3 |