Ключевые слова: auto parts, background, backlash, car, circle, close up, closeup, cogwheel, concept, connection, construction, design, detail, energy, engine, engineering, equipment, gear, industrial, industry, iron, machine, machinery, material, mechanical, mechanics, mechanism, metal, metallic, motor, object, oil, old, old part, part, power, precision, propel, steel, technology, transportation, wheel,