In the video, a person is seen working on a black machine. The person's hand is visible, and they are using a screwdriver to adjust the screws on the machine. The machine appears to be made of metal and has several screws that need to be tightened. The person's hand is steady as they work, and they seem to be experienced in handling the screwdriver. The video provides a close-up view of the machine and the person's hand, allowing viewers to see the details of the machine and the person's actions.