Ключевые слова: arm, background, big, black, bolt, chrome, close, closeup, concept, concepts, connection, construction, cutters, element, engineering, equipment, fasten, fastener, fixing, focus, group, heap, industrial, industry, isolated, machine, manufacturing, material, metal, metallic, nut, nuts, objects, part, power, screw, silver, steel, still, strength, studio, technology, threads, tool, two, view, work, workshop,