Ключевые слова: abstract, auto, automotive, background, black, car, clutch, cogwheel, concept, conceptual, design, energy, engine, engineering, gear, gearbox, gearing, gears, industrial, industry, isolated, machine, machinery, mechanical, mechanics, metal, metallic, motor, new, part, parts, pinion, plate, power, pressure, service, steel, technical, technology, tools, transmission, white,