The video shows a close-up of a machine with a large metal gear that is spinning. The gear is made of a shiny, metallic material and has several teeth around its circumference. The gear is attached to a larger machine, which is not fully visible in the frame. The background is dark and blurry, making it difficult to see any other details. The gear is spinning at a steady pace, and there is a consistent humming sound that can be heard in the background.