#774242

#774242: What kind of background should have a warning sign "Caution! Voltage" which is applied through a stencil on the concrete line support?

What kind of background should have a warning sign "Caution! Voltage" which is applied through a stencil on the concrete line support?
Варианты ответа:
  • White
  • Yellow
  • the Background is the color of concrete surface

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Тематика: Основы безопасности жизнедеятельности Основы безопасности жизнедеятельности (ОБЖ) Основы электробезопасности
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