Ключевые слова: aged, bolt, bolt heads, bolts, brown, chrome, connection, construction, corroded, corrosion, detail, dirty, electrical, element, engine, engineering, front, grunge, grungy, hardware, industrial, industry, iron, lock, machinery, machinery details, macro, mechanic, mechanical, mechanical parts, mechanism, metal, metallic, nut, object, old, part, retro, rust bolt, rusted, rusty, screw, screw and nut, steel, steel screw, texture, textured, thread of screw, vintage, weathered,