 |
| distribution system: 115 phrases in 25 subjects |
| Agriculture | 4 |
| Aviation | 10 |
| Commerce | 7 |
| Communications | 9 |
| Computers | 2 |
| Construction | 17 |
| Earth sciences | 4 |
| Electronics | 8 |
| Energy industry | 7 |
| Environment | 6 |
| Finances | 1 |
| General | 6 |
| Information technology | 3 |
| Law | 4 |
| Marketing | 2 |
| Municipal planning | 6 |
| Name of organization | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Radio | 4 |
| Technology | 2 |
| Telecommunications | 4 |
| Transport | 4 |
| United Nations | 1 |
| Water resources | 1 |