 |
| |||
| shading | |||
| nierównomierność: 13 phrases in 7 subjects |
| Construction | 1 |
| Electric motors | 1 |
| Environment | 1 |
| Piezoelectric crystals | 1 |
| Sound recording | 3 |
| Vacuum tubes | 1 |
| Video recording | 5 |
|
| |||
| shading | |||
| nierównomierność: 13 phrases in 7 subjects |
| Construction | 1 |
| Electric motors | 1 |
| Environment | 1 |
| Piezoelectric crystals | 1 |
| Sound recording | 3 |
| Vacuum tubes | 1 |
| Video recording | 5 |