Ключевые слова: abstract, background, blur, bokeh, close, closeup, cog, cogwheel, component, craftsmanship, depth of field, design, detail, engineering, equipment, focus, gear, gears, industrial, industry, interlocking, iron, machine, machine element, machine part, machinery, macro, manufacture, mechanical, mechanics, metal, metallic, metalwork, part, power, precision, sharp, sprocket, steel, structure, system, technology, teeth, texture, transmission, view, wheel, workshop,