 |
| light ray: 17 phrases in 12 subjects |
| Bookish / literary | 1 |
| Firefighting and fire-control systems | 2 |
| General | 5 |
| Informal | 1 |
| Mass media | 1 |
| Mechanics | 1 |
| Medical | 1 |
| Meteorology | 1 |
| Physics | 1 |
| Rhetoric | 1 |
| Technology | 1 |
| Telecommunications | 1 |
|
| light ray: 17 phrases in 12 subjects |
| Bookish / literary | 1 |
| Firefighting and fire-control systems | 2 |
| General | 5 |
| Informal | 1 |
| Mass media | 1 |
| Mechanics | 1 |
| Medical | 1 |
| Meteorology | 1 |
| Physics | 1 |
| Rhetoric | 1 |
| Technology | 1 |
| Telecommunications | 1 |