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protective device : 92 phrases in 30 subjects |
| Abbreviation | 1 |
| Architecture | 1 |
| Astronautics | 3 |
| Automated equipment | 5 |
| Automobiles | 2 |
| Caspian | 2 |
| Construction | 2 |
| Dentistry | 5 |
| Ecology | 3 |
| Electrical engineering | 15 |
| Electricity | 1 |
| Electronics | 6 |
| Energy system | 1 |
| Firefighting and fire-control systems | 2 |
| General | 1 |
| Information technology | 1 |
| Medical | 1 |
| Military | 2 |
| Nautical | 2 |
| Nuclear physics | 6 |
| Occupational health & safety | 6 |
| Oil / petroleum | 3 |
| Production | 1 |
| Radioengineering | 1 |
| Security systems | 2 |
| Soviet | 2 |
| Technology | 12 |
| Telecommunications | 1 |
| Transport | 1 |
| Weapons of mass destruction | 1 |