 |
| safety device: 53 phrases in 15 subjects |
| Chemistry | 2 |
| Coal | 1 |
| Construction | 4 |
| Electric traction | 1 |
| Environment | 4 |
| General | 1 |
| Health care | 2 |
| Hobbies and pastimes | 1 |
| Industry | 3 |
| Labor law | 3 |
| Mechanic engineering | 9 |
| Medical appliances | 2 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 6 |
| Transport | 13 |