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| защитное устройство | |||
| защитное заземление | |||
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Protective Earth : 15 phrases in 10 subjects |
| Electrical engineering | 1 |
| Electricity | 3 |
| Electronics | 1 |
| GOST | 1 |
| Measuring instruments | 1 |
| Medical | 1 |
| Medical appliances | 2 |
| Oil / petroleum | 1 |
| Technology | 3 |
| Telecommunications | 1 |