#774848
What review frequency of knowledge on to electrical safety it is established for personnel, directly organizing and carrying out works on service operating electroinstallations?
Варианты ответа:
  • At least once a year
  • At least once in two years
  • At least once in three years
  • At least once in five years
Тематика: Монтаж электрооборудования Основы электротехники Электрические и электронные аппараты
Курсы в категории: Инженерные науки
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