Ключевые слова: background, black, box, current, danger, dangerous, distribution, draw, drawing, drawn, electric, electrical, electricity, energy, engineering, equipment, generation, graphic, grid, hand, high, highvoltage, icon, industrial, industry, isolated, line, orange, plant, power, powerful, production, single, station, stencil, substation, supply, technology, transformer, transforming, transmission, volt, voltage, watt,