Youtube videos show the inner workings of mechanical systems

Youtube user thang010146 is Nguyen Duc Thang is a retired engineer in Vietnam. He has 2700 videos in his playlist consisting of mechanical systems and their workings. An incredible treasure trove!
The list consists of 4 parts: Part 1: Transmission of continuous rotation Part 2: Other kinds of motion transmission Part 3: Mechanisms of specific purposes Part 4: Mechanisms for various industries
Autodesk Inventor is used to create all videos in this channel.
A trove for engineers, educators, and more. Why reinvent the wheel?
Browse the incredible library of videos here.