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Upgrading : 64 phrases in 26 subjects |
| Agriculture | 6 |
| Chemistry | 1 |
| Coal | 6 |
| Communications | 1 |
| Construction | 1 |
| Economics | 1 |
| Education | 4 |
| Energy industry | 2 |
| Environment | 4 |
| Finances | 6 |
| Fish farming pisciculture | 1 |
| General | 10 |
| Government, administration and public services | 2 |
| Industry | 1 |
| Information technology | 2 |
| Insurance | 1 |
| Labor law | 2 |
| Military | 1 |
| Name of organization | 1 |
| Natural resourses and wildlife conservation | 1 |
| Patents | 2 |
| Research and development | 1 |
| Social science | 1 |
| Transport | 3 |
| United Nations | 2 |
| Waste management | 1 |