#902150
What is an explosion-hazardous environment?
Варианты ответа:
  • an environment with too much gas and too little air
  • an environment where many explosions happen
  • an environment in which an explosive mixture can arise
  • an environment in which an explosive mixture cannot arise
Тематика: Основы регламентации и нормирования труда Основы экологического права Правовые и экономические основы охраны окружающей среды
Курсы в категории: Экономика и управление
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