 |
| diafragma: 80 phrases in 24 subjects |
| Agriculture | 1 |
| Chemistry | 3 |
| Coal | 2 |
| Construction | 5 |
| Cultural studies | 2 |
| Earth sciences | 9 |
| Electronics | 4 |
| Environment | 1 |
| General | 2 |
| Health care | 9 |
| Industry | 1 |
| Information technology | 1 |
| Life sciences | 2 |
| Materials science | 2 |
| Mechanic engineering | 12 |
| Medical | 8 |
| Natural sciences | 1 |
| Nuclear physics | 2 |
| Radiology | 2 |
| Technology | 2 |
| Telegraphy | 1 |
| Thermal Energy | 1 |
| Transport | 6 |
| Video recording | 1 |