 |
| separation: 27 phrases in 15 subjects |
| Agriculture | 1 |
| Chemistry | 2 |
| Communications | 1 |
| Earth sciences | 2 |
| Electric machinery | 2 |
| Electronics | 7 |
| Environment | 2 |
| Industry | 1 |
| Insurance | 1 |
| Law | 1 |
| Life sciences | 1 |
| Mathematics | 1 |
| Physical sciences | 1 |
| Technology | 1 |
| Transport | 3 |