| |||
| Filterfarbe f | |||
|
filter colour : 22 phrases in 6 subjects |
| Automated equipment | 1 |
| Earth sciences | 3 |
| Electronics | 1 |
| General | 1 |
| Optics branch of physics | 14 |
| Technology | 2 |
| |||
| Filterfarbe f | |||
|
filter colour : 22 phrases in 6 subjects |
| Automated equipment | 1 |
| Earth sciences | 3 |
| Electronics | 1 |
| General | 1 |
| Optics branch of physics | 14 |
| Technology | 2 |