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servicing time : 41 phrases in 22 subjects |
| Astronautics | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
| Computer networks | 1 |
| Computers | 1 |
| Economics | 2 |
| General | 1 |
| Information technology | 5 |
| Insurance | 1 |
| Law | 3 |
| Librarianship | 1 |
| Makarov | 1 |
| Mechanics | 1 |
| Microelectronics | 1 |
| Military | 2 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Programming | 1 |
| Technology | 6 |
| Telecommunications | 2 |
| Trade classification | 3 |