Ключевые слова: architecture, background, board, box, building, communications, concrete, construction, control, current, danger, device, dirty, distribution, electric, electrical, electricity, energetic, energy, engineering, equipment, exterior, garage, gas, gray, industrial, industry, infrastructure, line, metal, outdoor, panel, pipes, power, safety, stained, stonecolor, structure, supply, technology, urban, voltage, wall, work, workplace, yellow,