#774497
During what period is comprehensive testing of main and auxiliary equipment of the electrical installation before commissioning?
Варианты ответа:
  • within 24 hours
  • within 48 hours
  • within 72 hours
  • within 120 hours
Тематика: Основы безопасности жизнедеятельности Основы безопасности жизнедеятельности (ОБЖ) Основы электробезопасности
Курсы в категории: Безопасность и правопорядок
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