|
control : 106 phrases in 15 subjects |
| Chemistry | 1 |
| Communications | 46 |
| Earth sciences | 1 |
| Electronics | 12 |
| English | 5 |
| Environment | 3 |
| General | 8 |
| Health care | 1 |
| Information technology | 12 |
| Life sciences | 1 |
| Mathematics | 1 |
| Medical | 3 |
| Microsoft | 6 |
| Statistics | 2 |
| Transport | 4 |