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| English thesaurus | |||
| |||
| HOT | |||
| Hydrogen Oxygen: 86 phrases in 15 subjects |
| Astronautics | 29 |
| Aviation | 2 |
| Chemistry | 2 |
| Electrical engineering | 1 |
| Electronics | 3 |
| Energy industry | 3 |
| General | 3 |
| Makarov | 14 |
| Military | 4 |
| Missiles | 4 |
| Nanotechnology | 8 |
| Shipbuilding | 1 |
| Solar power | 3 |
| Technology | 8 |
| Transport | 1 |