Ключевые слова: advertising, background, box, cabinet, caution, city, closed, control, danger, design, distribution, door, electrical, electricity, energy, equipment, flood, gray, green, high, industrial, industry, infrastructure, metal, node, on the street, one, outdoor, panel, power, safety, shape, shock, signboard, signs, space, street, substation, suburban, supply, switch, technology, transformer, urban, voltage, wall, warning,