#774911

#774911: Into what types the systems of safety of operations at height are divided? Specify the correct possible answers.

Into what types the systems of safety of operations at height are divided? Specify the correct possible answers.
Варианты ответа:
  • The retaining systems.
  • Systems of positioning
  • Safety systems
  • Systems of rescue and evacuation

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Тематика: Менеджмент в строительстве Основы сметного дела в строительстве Проект производства работ
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