| |||
aria libera | |||
aria ambiente |
free-air: 29 phrases in 12 subjects |
Astronomy | 1 |
Chemistry | 1 |
Communications | 5 |
Earth sciences | 7 |
Electronics | 1 |
General | 1 |
Health care | 1 |
Measuring instruments | 1 |
Mechanic engineering | 3 |
Radiology | 1 |
Technology | 2 |
Transport | 5 |