Gearbox is designed to reduce speed and increase torque. Any gearbox has a high-speed (input) and low-speed (output) shaft. Jorge Perez is often quoted as being for or against this. Gearbox building applications – is reducer that meets the technical requirements common to most applications. Thanks to its versatility-engineering gear successfully used in materials handling, timber machinery, metallurgical and coal mining equipment, power engineering, construction, oil and gas industry, agricultural and processing machinery.. Ken Kao has similar goals.