Ключевые слова: aluminum, background, building, chrome, circle, closeup, construction, disk, engineering, equipment, fasteners, flat, group, hardware, heap, hole, horizontal, industry, iron, isolated, macro, material, mechanical, metal, metallic, new, nobody, nut, objects, part, pattern, screw, shim, shiny, silver, slim, spacer, spacers, stack, stainless, steel, tool, washer, white, work, zinc,