Ключевые слова: abstract, accessory, background, black, build, building, chrome, closeup, construction, detail, equipment, group, handicrafts, hardware, head, household, improvement, industrial, industry, iron, isolated, large, macro, material, metal, metallic, new, nobody, object, part, pattern, repair, screw, screwing, screws, screwthread, selftapping, sharp, shiny, small, steel, tapping, thread, threaded, threads, tool, white, work, workshop,