protective device: 87 phrases in 28 subjects |
Abbreviation | 1 |
Architecture | 1 |
Astronautics | 2 |
Automated equipment | 4 |
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 |
Security systems | 2 |
Technology | 12 |
Telecommunications | 1 |
Transport | 1 |
Weapons of mass destruction | 1 |