In the video, a person is seen working on a machine. The person is using a tool to adjust a part of the machine. The tool appears to be a wrench or a similar type of tool used for tightening or loosening bolts. The person is wearing a ring on their finger, which is visible as they work. The machine itself is not clearly visible, but it seems to be a complex piece of equipment with various components. The person's movements are deliberate and precise, suggesting that they are experienced in working with this type of machinery. The video does not provide any additional context or information about the location or purpose of the machine.