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| steel-frame: 42 phrases in 14 subjects |
| Automobiles | 3 |
| Building structures | 1 |
| Construction | 15 |
| Electronics | 4 |
| General | 1 |
| Makarov | 2 |
| Metallurgy | 1 |
| Nuclear and fusion power | 2 |
| Rail transport | 1 |
| Sakhalin | 1 |
| Seismology | 1 |
| Technology | 3 |
| Thermal engineering | 1 |
| Transport | 6 |