Ключевые слова: background, black, bright, circle, closeup, construction, dark, detail, disorder, engineering, fastener, flock, gray, grommet, group, hole, improvement, industrial, industry, iron, many, mechanic, metal washer, metal working, no people, nobody, objects, packing ring, punch, reflection, reflects, ring, round, screw, silver, stack, stacked, stainless, steel, steel washers, studio shot, texture, washer, work, zinc,