Ключевые слова: abstract, background, black, blue, bolt, braid, circle, closeup, construction, depth, equipment, exercise, extension, field, horizontal, hose, industrial, industry, iron, isolated, macro, metal, metallic, object, open, pipe, pressure, ring, screw, shallow, shock, silver, spiral, spring, springs, steel, stretch, tension, tool, tubes, white, wind, work, zip, zipper,