Ключевые слова: abstract, background, batch, circle, close, closeup, cnc, column, construction, dark, detail, engine, engineering, factory, focus, fresh, group, industrial, industry, iron, machine, machined, machinery, manufacture, manufacturing, many, mechanic, mechanical, metal, metallic, new, part, precision, production, real, ring, round, same, selective focus, shiny, silver, stack, steel, technical, technology, thin, turned, turning, vertical, workshop,