 |
|
negative reinforcement : 8 phrases in 6 subjects |
| Cement | 1 |
| Construction | 1 |
| General | 3 |
| Medical | 1 |
| Seismology | 1 |
| Technology | 1 |
|
|
negative reinforcement : 8 phrases in 6 subjects |
| Cement | 1 |
| Construction | 1 |
| General | 3 |
| Medical | 1 |
| Seismology | 1 |
| Technology | 1 |