Ключевые слова: auto, automobile, automotive, background, block, box, camshaft, car, closeup, cylinder, cylinders, diesel, engine, engineering, equipment, head, industrial, industry, iron, machine, machinery, macro, maintenance, mechanic, metal, metalworking, modern, motor, oil, open, part, parts, repair, service, six, spring, steel, technology, tool, transportation, valve, vehicle,