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Professional Development Unit : 14 phrases in 12 subjects |
| Aviation | 1 |
| Business | 2 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 1 |
| General | 1 |
| Labor law | 1 |
| Librarianship | 1 |
| Mining | 1 |
| Name of organization | 2 |
| Space | 1 |
| Wind Energy | 1 |
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