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box-coupling : 29 phrases in 15 subjects |
| Automated equipment | 1 |
| Construction | 1 |
| Drilling | 1 |
| Machinery and mechanisms | 1 |
| Makarov | 1 |
| Mechanic engineering | 5 |
| Metallurgy | 1 |
| Mining | 2 |
| Oil / petroleum | 2 |
| Oil and gas | 2 |
| Radioengineering | 2 |
| Rail transport | 2 |
| Technology | 5 |
| Telecommunications | 2 |
| Thermal engineering | 1 |