 |
|
collimation : 53 phrases in 15 subjects |
| Agriculture | 1 |
| Armored vehicles | 1 |
| Astronautics | 7 |
| Astronomy | 1 |
| Construction | 1 |
| Geophysics | 2 |
| Mechanic engineering | 1 |
| Medical appliances | 1 |
| Military | 1 |
| Nuclear physics | 8 |
| Optics branch of physics | 2 |
| Radiation | 3 |
| Radio | 4 |
| Surveying | 8 |
| Technology | 12 |