protective device: 37 phrases in 15 subjects |
Construction | 1 |
Electric machinery | 2 |
Electrical engineering | 2 |
Electricity generation | 1 |
Electronics | 1 |
Energy industry | 1 |
Environment | 1 |
General | 2 |
Industry | 2 |
Labor law | 6 |
Mechanic engineering | 1 |
Medical | 1 |
Nuclear physics | 3 |
Technology | 1 |
Transport | 12 |