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| гнездо для шестигранной головки; внутреннее шестигранное углубление под ключ (Киселев) | |||
| hexagon socket: 39 phrases in 8 subjects |
| Automated equipment | 6 |
| Automobiles | 1 |
| Construction | 3 |
| Informal | 1 |
| Mechanics | 12 |
| Occupational health & safety | 2 |
| Technology | 11 |
| Transport | 3 |