Ключевые слова: abstract, background, broken, chain, circle, closeup, cog, cogwheel, corrosion, design, detail, dirty, element, engine, engineering, equipment, factory, gear, gears, grunge, industrial, industry, iron, isolated, machine, machinery, macro, mechanic, mechanical, mechanism, metal, metallic, old, part, parts, pattern, repair, retro, rust, rusted, rusty, shape, sprocket, steel, technology, texture, vintage, weathered, wheel, work,