#774290
What is the frequency of testing for electrical safety are established for staff of the electrical installation?
Варианты ответа:
  • at least once a year
  • at least once in 2 years
  • at least once in 3 years
  • at least once in 5 years
Тематика: Основы безопасности жизнедеятельности Основы безопасности жизнедеятельности (ОБЖ) Основы электробезопасности
Курсы в категории: Безопасность и правопорядок
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