The video shows a machine with a large metal gear attached to it. The machine is in motion, and the gear is spinning rapidly. The gear is made of metal and has several teeth around its circumference. The machine appears to be located in a factory or industrial setting, with various other machines and equipment visible in the background. The lighting in the room is bright, and the gear is reflecting light as it spins. There are no people visible in the video, and the focus is solely on the gear and the machine.