Ключевые слова: abstract, aged, antique, black, brown, circle, closeup, cog, cogwheel, concept, connection, design, detail, dirty, engine, engineering, equipment, factory, gear, grunge, industrial, industry, iron, machine, machinery, mechanic, mechanical, mechanism, metallic, object, obsolete, old, part, pattern, retro, rusty, steel, technical, technology, texture, textured, tool, vintage, wheel, work, working,