In the video, a person is seen using a tool to adjust a bolt. The person's hands are visible, and they are using a tool to turn the bolt. The bolt is silver and appears to be made of metal. The person's hands are steady, and they seem to be experienced in using the tool. The background is not visible, so it is unclear where the person is located. The tool used to adjust the bolt is not clearly identifiable, but it appears to be a wrench or similar type of tool. The bolt is located on a piece of machinery, which is not clearly visible in the video. The person's actions are deliberate and precise, indicating that they are likely a professional or someone with experience in this type of work.