 |
| steel rods: 18 phrases in 11 subjects |
| Building structures | 1 |
| Construction | 3 |
| Energy industry | 1 |
| General | 4 |
| Gyroscopes | 1 |
| Literature | 1 |
| Makarov | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Technology | 3 |
|
| steel rods: 18 phrases in 11 subjects |
| Building structures | 1 |
| Construction | 3 |
| Energy industry | 1 |
| General | 4 |
| Gyroscopes | 1 |
| Literature | 1 |
| Makarov | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Technology | 3 |