Ключевые слова: caution sign, danger sign, electric safety, electrical hazard, electrical hazard sign, electrical safety sign, electrical warning, electricity sign, factory background, high voltage sign, high voltage warning, industrial architecture, industrial background, industrial caution, industrial facility, industrial landscape, industrial plant, industrial safety, industrial site, industrial warning, industrial warning sign, industry backdrop, metal sign, metallic sign, power generation plant, power plant, power station, safety sign, warning label, warning sign,