|
box coupling : 27 phrases in 14 subjects |
| Automated equipment | 1 |
| Construction | 1 |
| Drilling | 1 |
| Makarov | 1 |
| Mechanic engineering | 6 |
| Metallurgy | 1 |
| Mining | 2 |
| Oil / petroleum | 2 |
| Oil and gas | 2 |
| Radioengineering | 2 |
| Rail transport | 2 |
| Technology | 3 |
| Telecommunications | 2 |
| Thermal engineering | 1 |