#774532
What is the frequency of the analysis of the gaseous environment inside premises during hot work in fire-hazardous impurities
Варианты ответа:
  • 30 minutes
  • 20 minutes
  • 40 minutes
Тематика: Автоматические системы пожаротушения и связь Пожарная безопасность Техника безопасности и санитария
Курсы в категории: Безопасность и правопорядок
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