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| steel layer (Киселев) | |||
| стальной слой: 21 phrases in 13 subjects |
| Armored vehicles | 1 |
| Automobiles | 1 |
| Construction | 3 |
| Energy industry | 1 |
| Makarov | 1 |
| Metal science | 1 |
| Metallurgy | 2 |
| Military | 3 |
| Public utilities | 1 |
| Rail transport | 1 |
| Road works | 2 |
| Technology | 3 |
| Transport | 1 |