Ключевые слова: aged, bolt, cement, closeup, component, concrete, connection, construction, corrosion, damaged, detail, deterioration, dirty, element, engineering, equipment, fastener, floor, grunge, hardware, head, industrial, industry, iron, macro, material, metal, metallic, nut, object, old, part, plate, repair, retro, rusty, screw, selective focus, spiral, steel, strength, structure, surface, textured, thread, vintage, weathered,