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machine a calculer : 68 phrases in 12 subjects |
| Astronautics | 1 |
| Astronomy | 2 |
| Automated equipment | 40 |
| Hydraulic engineering | 1 |
| Information technology | 5 |
| Mechanic engineering | 1 |
| Military | 2 |
| Mining | 1 |
| Nuclear physics | 2 |
| Oil and gas technology | 1 |
| Radio | 6 |
| Technology | 6 |