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canon : 152 phrases in 25 subjects |
| Agriculture | 3 |
| Communications | 2 |
| Criminal law | 6 |
| Earth sciences | 13 |
| Economics | 6 |
| Electronics | 24 |
| Energy industry | 1 |
| Finances | 3 |
| Fish farming pisciculture | 3 |
| General | 25 |
| Hobbies and pastimes | 4 |
| Industry | 18 |
| Information technology | 1 |
| International trade | 1 |
| Law | 8 |
| Life sciences | 2 |
| Mechanic engineering | 1 |
| Metallurgy | 3 |
| Microsoft | 2 |
| Natural sciences | 1 |
| Taxes | 1 |
| Technology | 3 |
| Thermal Energy | 9 |
| Transport | 9 |
| Vacuum tubes | 3 |