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| protective conductor (Alex-duke); protection conductor (MichaelBurov); zero protective conductor (MichaelBurov) | |||
| защитный проводник: 19 phrases in 8 subjects |
| Electrical engineering | 10 |
| Electricity | 1 |
| General | 1 |
| GOST | 1 |
| Occupational health & safety | 1 |
| Oil / petroleum | 2 |
| Technology | 2 |
| Telecommunications | 1 |