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| working grounding (eternalduck) | |||
| earthing (заземление токопроводящих частей для обеспечения работы (см. grounding) Киселев) | |||
| system grounding; working earth | |||
| operating ground (oleg.vigodsky); working ground (oleg.vigodsky) | |||
| operational earthing | |||
| system ground | |||
| system-earthing; working earthing | |||
| |||
| functional earthing; functional grounding | |||