Ключевые слова: abstract, architecture, background, bend, black, building, cable, close up, concept, concrete, conduit, connect, connection, construction, curve, danger, device, dirty, electric, electrical, electricity, energy, equipment, grunge, home, house, industrial, industry, installation, iron, light, line, metal, old, pipe, power, repair, safety, steel, supply, system, technology, texture, tube, urban, voltage, wall, white, wire, work,