 |
|
light rays : 26 phrases in 17 subjects |
| Automated equipment | 1 |
| Bookish / literary | 1 |
| Firefighting and fire-control systems | 2 |
| General | 6 |
| Informal | 1 |
| Makarov | 4 |
| Mass media | 1 |
| Mathematics | 1 |
| Mechanics | 1 |
| Medical | 1 |
| Meteorology | 1 |
| Non-destructive testing | 1 |
| Radiology | 1 |
| Rhetoric | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Welding | 1 |