 |
| dispatching: 20 phrases in 9 subjects |
| Automated equipment | 1 |
| Computers | 1 |
| Construction | 1 |
| Electronics | 5 |
| Hydraulic engineering | 2 |
| Information technology | 1 |
| Mechanic engineering | 5 |
| Radio | 2 |
| Technology | 2 |
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