Ключевые слова: abstract, background, bolt, closeup, construction, detail, element, engineering, equipment, gray, group, hard, hardware, heavy, horizontal, industrial, industry, iron, ironworks, machine, macro, manufacturing, many, match, material, mechanic, mechanical, mess, metal, metallic, nut, objects, part, pile, repair, repairing, screw, shine, shiny, silver, steel, supply, texture, threaded, workshop, zinc,