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|
lower-level : 213 phrases in 41 subjects |
| Agriculture | 4 |
| Automated equipment | 4 |
| Aviation | 19 |
| Biology | 3 |
| Chemistry | 3 |
| Communications | 14 |
| Computers | 6 |
| Construction | 3 |
| Earth sciences | 7 |
| Economics | 4 |
| Education | 1 |
| Electronics | 6 |
| Environment | 22 |
| Finances | 1 |
| Food service and catering | 1 |
| General | 10 |
| Health care | 4 |
| Hydrology | 1 |
| Information technology | 14 |
| International Monetary Fund | 1 |
| Labor law | 1 |
| Laboratory equipment | 1 |
| Life sciences | 8 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 2 |
| Microsoft | 2 |
| Military | 1 |
| Municipal planning | 1 |
| Name of organization | 1 |
| Natural resourses and wildlife conservation | 4 |
| Natural sciences | 1 |
| Nuclear physics | 14 |
| Pest control | 2 |
| Radiation | 14 |
| Radio | 1 |
| Statistics | 2 |
| Technology | 1 |
| Telecommunications | 2 |
| Transport | 19 |
| United Nations | 6 |