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|
spandrel : 114 phrases in 16 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Construction | 41 |
| Electronics | 2 |
| Firefighting and fire-control systems | 1 |
| Forestry | 1 |
| Geology | 1 |
| Makarov | 13 |
| Mathematics | 1 |
| Military | 13 |
| Mining | 1 |
| Rail transport | 3 |
| Road works | 3 |
| Seismology | 11 |
| Technology | 20 |
| Valves | 1 |