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color-change : 36 phrases in 16 subjects |
| Agriculture | 2 |
| Automated equipment | 1 |
| Electronics | 2 |
| Figurative | 1 |
| General | 7 |
| Information technology | 2 |
| Makarov | 7 |
| Mathematics | 2 |
| Metrology | 3 |
| Oil / petroleum | 1 |
| Polygraphy | 2 |
| Programming | 1 |
| Radioengineering | 1 |
| Space | 1 |
| Technology | 2 |
| Weapons of mass destruction | 1 |