#774866
What group on electrical safety has to have electrotechnical personnel for the admission to work with the portable electric tool and manual electrical machines of a class I in rooms with the increased danger?
Варианты ответа:
  • IV group
  • III group
  • II group
  • Any group on electrical safety
Тематика: Монтаж электрооборудования Основы электротехники Электрические и электронные аппараты
Курсы в категории: Инженерные науки
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