The video shows a close-up of a person's hand as they use a tool to work on a piece of machinery. The person's hand is visible in the bottom left corner of the frame, and the tool is being used to make adjustments to the machinery. The machinery appears to be made of metal and has several components, including a lever and a button. The person's hand is steady as they manipulate the tool, indicating a level of expertise and familiarity with the machinery. The video does not provide any additional context or information about the location or purpose of the machinery.