Youtuber gets interrupted by his daughter while explaining the inner workings of an industrial trochoidal oil-pump accidentally creating the cutest review of an industrial part ever.

https://youtu.be/O4-j4kwtu9Y?t=4m30s

Submitted February 25, 2018 at 11:17AM by N19h7m4r3 http://ift.tt/2ETADNK