Ключевые слова: abstract, antique, background, block, bolts, closeup, cogs, connected, deserted, detail, dirty, elements, engine, engineering, environment, equipment, factory, gear, hole, industrial, industry, installation, iron, junction, machine, machinery, mechanism, metal, nature, oil, old, outdoor, part, pipe, pipeline, plumbing, power, production, refinery, retro, round, rust, rusty, steel, structure, technology, valve, vintage, well, wheel,