|
harmonica : 158 phrases in 24 subjects |
| Communications | 18 |
| Cultural studies | 2 |
| Earth sciences | 2 |
| Electric motors | 2 |
| Electric traction | 1 |
| Electricity generation | 2 |
| Electronics | 52 |
| Industry | 1 |
| Information technology | 1 |
| Life sciences | 2 |
| Magnetics | 11 |
| Mathematics | 26 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Metallurgy | 3 |
| Pharmacy and pharmacology | 2 |
| Piezoelectric crystals | 1 |
| Power electronics | 3 |
| Radio | 2 |
| Scientific | 9 |
| Sound recording | 1 |
| Statistics | 10 |
| Technology | 1 |
| Telegraphy | 2 |