In this video, you will see how piano hinges are made. That small factory is located on the ground floor of a home where the workers make 1000 hinges per day. #pianohinges #hinges #piano
Just owning a phone with a camera does not make you a good technical documentary maker. Concentrate more on the process and the transformation after each step. You are just wandering around with the camera on. CCTV footage would have been more informative.