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Telecommunications : 100 phrase in 17 subjects |
| American usage, not spelling | 2 |
| Archiving | 1 |
| Astronautics | 1 |
| Aviation | 21 |
| Business style | 1 |
| Communications | 2 |
| Computers | 9 |
| Construction | 1 |
| Economics | 2 |
| Electronics | 1 |
| Finances | 4 |
| General | 2 |
| Information technology | 7 |
| Law | 1 |
| Military | 33 |
| Technology | 3 |
| Telecommunications | 9 |