#774580
What is the distance in the repair of tanks should be located electric welding machines operated from neighbouring tanks.
Варианты ответа:
  • 20 m
  • 25 m
  • 15 m
Тематика: Автоматические системы пожаротушения и связь Пожарная безопасность Техника безопасности и санитария
Курсы в категории: Безопасность и правопорядок
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