The video shows a large machine with a yellow arm that is moving back and forth over a flat surface. The machine appears to be performing some sort of operation on the surface, possibly cutting or shaping it. The arm moves smoothly and with precision, indicating that it is likely controlled by a computer or other automated system. The surface being worked on is not clearly visible, but it appears to be made of metal or another hard material. The machine itself is quite large, suggesting that it is used for industrial or manufacturing purposes. There are no visible people or other objects in the video, and the focus is solely on the machine and its operation.