sonic : 55 phrases in 15 subjects |
Acoustics | 1 |
Automated equipment | 1 |
Chemistry | 1 |
Drilling | 2 |
Earth sciences | 10 |
Environment | 5 |
General | 1 |
Geology | 1 |
Measuring instruments | 1 |
Medical | 1 |
Metallurgy | 1 |
Meteorology | 1 |
Physical sciences | 10 |
Technology | 17 |
Transport | 2 |