#774531
What zone are the areas in which during normal operation explosive mixtures of flammable gases or vapors of flammable liquids with air are not formed, and possible in the accident and damage process equipment.
Варианты ответа:
  • 2nd class
  • 3rd class
  • 1st class
Тематика: Автоматические системы пожаротушения и связь Пожарная безопасность Техника безопасности и санитария
Курсы в категории: Безопасность и правопорядок
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