 |
| enveloppe: 160 phrases in 31 subjects |
| Agriculture | 5 |
| Cables and cable production | 2 |
| Chemistry | 3 |
| Communications | 17 |
| Construction | 4 |
| Earth sciences | 11 |
| Electric machinery | 3 |
| Electric motors | 1 |
| Electricity generation | 1 |
| Electronics | 34 |
| Finances | 6 |
| General | 1 |
| Hobbies and pastimes | 1 |
| Industry | 8 |
| Information technology | 7 |
| Isolation | 2 |
| Labor organization | 1 |
| Life sciences | 1 |
| Materials science | 8 |
| Mathematics | 6 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Metallurgy | 3 |
| Microsoft | 3 |
| Municipal planning | 1 |
| Nuclear and fusion power | 1 |
| Patents | 5 |
| Physical sciences | 1 |
| Power system protection | 8 |
| Technology | 4 |
| Transport | 8 |