In the video, a person is seen holding a black circular object in their hand. The object appears to be a part of a larger machine, as there are other mechanical components visible in the background. The person is using a tool to adjust or fix the object. The tool is not clearly visible, but it seems to be a type of wrench or similar tool. The person's hands are steady, and they appear to be experienced in handling the tool and the object. The background is cluttered with various other mechanical parts, suggesting that the person is in a workshop or a similar setting. The lighting is dim, and the focus is primarily on the person's hands and the object they are working on.