|
harmonica : 89 phrases in 15 subjects |
| Brazil | 6 |
| Communications | 12 |
| Cultural studies | 1 |
| Earth sciences | 1 |
| Electric motors | 1 |
| Electronics | 38 |
| Information technology | 2 |
| Life sciences | 2 |
| Magnetics | 6 |
| Mathematics | 7 |
| Mechanic engineering | 1 |
| Radio | 1 |
| Scientific | 4 |
| Statistics | 6 |
| Technology | 1 |