Ключевые слова: bar, black, blue, brown, business, cable, ceramic, clouds, concrete, danger, drop, electric, electrical, electrician, electricity, energy, environment, equipment, fuse, hang, high, incoming, industry, input, insulation, light, line, metal, over, plant, pole, power, protect, protection, shadow, silhouette, sky, sling, stand, steel, structure, support, technology, urban, voltage,