Reducer is generally used in which mechanical equipment applications?

The application of the speed reducer is very wide, its function is to control the running speed of the equipment. Commonly used in a lot of equipment, such as the bullhead planer. CNC machine tools. Of course, it is also used in our cars. Inside the excavator. And so on. Summarized, can be described in one sentence. As long as there is an electric motor will be used where the speed reducer. Of course, in addition to the pumping machine.