|
projection : 81 phrases in 17 subjects |
| Building materials | 1 |
| Chemistry | 6 |
| Construction | 56 |
| Electronics | 1 |
| Environment | 1 |
| General | 1 |
| Insurance | 1 |
| Mathematics | 3 |
| Microsoft | 1 |
| Politics | 1 |
| Radio | 2 |
| Radiology | 1 |
| Road works | 1 |
| Statistics | 2 |
| Superconductivity | 1 |
| Thermal Energy | 1 |
| Vacuum tubes | 1 |