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| varnostni sistem | |||
| sistemas de segurança: 14 phrases in 10 subjects |
| Astronautics | 1 |
| Construction | 1 |
| Electric machinery | 2 |
| Immigration and citizenship | 1 |
| Obsolete / dated | 1 |
| Politics | 2 |
| Research and development | 2 |
| Security systems | 2 |
| Social science | 1 |
| Transport | 1 |