Ключевые слова: architecture, background, box, building, cable, ceiling, cement, closeup, concrete, connect, connection, construction, design, electric, electrical, electricity, engineering, equipment, exterior, factory, industrial, industry, installation, interior, iron, line, metal, metallic, modern, network, pattern, pipe, pipeline, pipes, piping, power, protection, room, safety, steel, structure, system, texture, textured, tube, wall, wire, wiring, work,