Ключевые слова: array, background, bolt, bolts, closeup, component, construction, corrosion, engineering, equipment, factory, female, fix, fixing, hardware, hexagon, industrial, industry, iron, item, machine, machinery, macro, manufacturing, many, mechanic, metal, metallic, nut, nuts, object, part, parts, pattern, pile, regular, row, scrap, screw, screwnut, screws, shiny, shop, stack, stainless, steel, tool, work, workshop,