Ключевые слова: abstract, background, black, bolt, building, chrome, closeup, construction, defocused, engineering, equipment, fastener, fix, flat, grey, group, hardware, head, heap, industrial, industry, iron, isolated, lot, macro, many, mechanic, metal, metallic, nail, new, object, part, pattern, pile, repair, screw, set, shiny, silver, small, steel, tapping, texture, thread, tool, white, wood, work, workshop,