Ключевые слова: aged, base, bolt, bolts and nuts, brass, chrome, circle, collection, construction, copper, corrosion, dark, design, dirty, element, engineering, fastener, fastening, gray, hardware, head, hex, industrial, industry, iron, isolated, material, mechanic, metal, metallic, nail, nut, nuts, old, part, parts, pin, pole, rivet, rough, rust, rusty, screw, set, solid, steel, stud, texture, tool, vintage,