 |
| hearing aid: 54 phrases in 15 subjects |
| Acoustics | 1 |
| Electronics | 2 |
| General | 2 |
| Hearing aid | 1 |
| Insurance | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Medical | 11 |
| Medical appliances | 18 |
| Natural resourses and wildlife conservation | 1 |
| Otorhinolaryngology | 2 |
| Pharmacology | 1 |
| Technology | 8 |
| Telecommunications | 2 |
| Transport | 1 |