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lower limits : 62 phrases in 25 subjects |
| Automobiles | 1 |
| Business | 2 |
| Chemistry | 3 |
| Coal | 1 |
| Construction | 2 |
| Earth sciences | 1 |
| Economics | 4 |
| Finances | 1 |
| General | 5 |
| Geomechanics | 3 |
| Health care | 2 |
| Information technology | 1 |
| Mathematics | 2 |
| Medical appliances | 1 |
| Microelectronics | 1 |
| Mining | 4 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 1 |
| Optics branch of physics | 5 |
| Physics | 3 |
| Radiation | 1 |
| Statistics | 1 |
| Technology | 11 |
| Textile industry | 1 |
| Transport | 4 |