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Operate : 101 phrase in 17 subjects |
| Accounting | 1 |
| Aviation | 15 |
| Business | 2 |
| Ecology | 1 |
| Economics | 18 |
| Electronics | 1 |
| Environment | 1 |
| Finances | 7 |
| General | 11 |
| Information technology | 2 |
| Labor law | 3 |
| Law | 18 |
| Mathematics | 1 |
| Military | 9 |
| Oil and gas | 1 |
| Scientific | 6 |
| Technology | 4 |