?? ?? ?? ???? ??, ? ???? ????? ????.???? ????. ?? ??? ?? ???? ?? ???? ??? ???? ??? ?????? ????? ????. ??? ?? ??? ??? ??? ???? ???? ????.That’s how gear ratios work everywhere, out of your bicycle to your vehicle. Within a very low equipment, the engine spins a little input equipment that turns a bigger output gear hooked up into the wheels.Hybrid