 |
| ear-plug: 10 phrases in 5 subjects |
| Earth sciences | 1 |
| General | 1 |
| Health care | 5 |
| Medical | 2 |
| Natural resourses and wildlife conservation | 1 |
|
| ear-plug: 10 phrases in 5 subjects |
| Earth sciences | 1 |
| General | 1 |
| Health care | 5 |
| Medical | 2 |
| Natural resourses and wildlife conservation | 1 |