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deflagration : 37 phrases in 14 subjects |
| Aerohydrodynamics | 1 |
| Astronautics | 4 |
| Energy industry | 5 |
| Firefighting and fire-control systems | 7 |
| Lasers | 2 |
| Makarov | 2 |
| Military | 2 |
| Nanotechnology | 2 |
| Occupational health & safety | 1 |
| Physics | 2 |
| Security systems | 2 |
| Technology | 3 |
| Thermal engineering | 1 |
| Transport | 3 |