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