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| safety controller (wikipedia.org Moonranger) | |||
| safety relay (xumepuk) | |||
| fail safe controller | |||
| контроллер безопасности: 17 phrases in 10 subjects |
| Computer networks | 3 |
| Information security and data protection | 1 |
| Mass media | 1 |
| Microsoft | 1 |
| Programming | 2 |
| Rail transport | 3 |
| Sakhalin S | 1 |
| Security systems | 1 |
| Technology | 2 |
| Tengiz | 2 |