Ключевые слова: architecture, background, black, building, business, closeup, construction, corrosion, crease, detail, dirty, engineering, equipment, facility, factory, flange, frame, heart, heavy, historic, historical, housing, industrial, industry, interior, iron, machine, machinery, manufacture, manufacturing, metal, metallic, old, plans, power, production, retro, screw, screws, steampunk, steel, technical, technology, tube, vintage, white, workplace, workshop, worn,