Ключевые слова: 3d, background, bolts, building, business, close, closeup, collection, color, concept, construction, engineering, equipment, fasten, female, group, hardware, hexagon, image, industrial, industry, iron, isolated, macro, manufacturing, many, materialism, mechanic, mechanical, metal, metallic, metric, mother, nut, nuts, object, pattern, screw, shape, shop, silver, stainless, steel, technology, texture, thread, tool, up, white, work,