Ключевые слова: apartment, background, building, color, connected, connection, connector, construct, construction, control, damaged, daylight, detail, device, distribution, energy, engineering, equipment, factory, gas, home, house, hydraulic, industrial, industry, iron, line, lines, metal, natural, outdoor, painted, petroleum, pipe, pipeline, place, power, residential, safe, steel, stone, stress, supply, system, technology, texture, tube, valve, wall, yellow,