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two-by-two : 45 phrases in 21 subjects |
| Agriculture | 1 |
| American usage, not spelling | 1 |
| British usage, not spelling | 1 |
| Coal | 1 |
| Communications | 2 |
| Construction | 4 |
| Electronics | 2 |
| Finances | 1 |
| General | 4 |
| Gymnastics | 3 |
| Industry | 1 |
| Judo | 1 |
| Law | 8 |
| Life sciences | 1 |
| Mathematics | 2 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Microelectronics | 5 |
| Statistics | 2 |
| Technology | 2 |
| United Nations | 1 |