Ключевые слова: aluminum, background, black, bolt, brass, closeup, color, construction, design, dirty, engineering, equipment, hardware, industrial, industry, iron, isolated, machine, macro, many, mechanic, mechanical, metal, metallic, nail, nailhead, nut, object, objects, old, part, polished, rectangle, shim, shiny, shop, silver, small, stainless, steel, thumbscrew, tool, top, used, various, washer, white, yellow,