Ключевые слова: architecture, background, blue, brick wall, building, cables, concept, concrete, connection, construction, control system, current, data connection, dusty, electric, electrical, electrical cable, electricity, energy, equipment, frame, green, grunge, grungy, hang, high, house, industrial, interment cable, metal, metallic, network connection, nobody, old, plastic, power, red, safety system, scaffolding, shaft, stick, supply, technology, underground, underground tunnel, ventilation, voltage, wall, white, wire line,