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envelope : 190 phrases in 34 subjects |
| Agriculture | 2 |
| Astronomy | 7 |
| Automated equipment | 1 |
| Communications | 33 |
| Construction | 3 |
| Earth sciences | 5 |
| Economics | 1 |
| Electronics | 37 |
| Energy industry | 1 |
| Finances | 3 |
| General | 13 |
| Health care | 8 |
| Hobbies and pastimes | 1 |
| Industry | 9 |
| Information technology | 6 |
| Labor law | 2 |
| Law | 3 |
| Life sciences | 1 |
| Materials science | 1 |
| Mathematics | 2 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Medical | 11 |
| Metallurgy | 5 |
| Microsoft | 5 |
| Packaging | 1 |
| Patents | 3 |
| Piezoelectric crystals | 2 |
| Radio | 1 |
| Scientific | 1 |
| Statistics | 2 |
| Technology | 5 |
| Telegraphy | 1 |
| Transport | 12 |