Research into the possibility of applying the two-stage mechanical oscillator by academician Veljko Milković in the world is not waning. Every year, several scientific papers are published around the world that deal with the specific application of the two-stage mechanical oscillator, and a lot of these scientific research papers are related to its application on the hand water pump. The following scientific paper was published in Nepal, at Kathmandu University located at the municipality of Dhulikhel.