#774407
What constructive elements of buildings and structures can be considered as natural lightning?
Варианты ответа:
  • Metal roof construction (farm, connected between steel rebar)
  • Metallic elements like drainpipes
  • Technological metal pipes and tanks made of metal with a minimum thickness of 2.5 mm
  • Any items listed
Тематика: Основы безопасности жизнедеятельности Основы безопасности жизнедеятельности (ОБЖ) Основы электробезопасности
Курсы в категории: Безопасность и правопорядок
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