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mechanically- operated : 23 phrases in 12 subjects |
| Aerohydrodynamics | 1 |
| Automated equipment | 3 |
| Construction | 2 |
| Electrical engineering | 3 |
| Electronics | 1 |
| Firefighting and fire-control systems | 1 |
| Nautical | 1 |
| Public utilities | 1 |
| Rail transport | 1 |
| Space | 3 |
| Technology | 5 |
| Transport | 1 |