The video shows a person using a tool to tighten a bolt on a piece of equipment. The person's hand is visible as they turn the tool, and the bolt is seen moving. The tool appears to be a wrench or similar type of hand tool. The person's hand is steady, and they seem to be experienced in using the tool. The equipment being worked on is not clearly visible, but it appears to be made of metal. The background is blurred, but it seems to be an indoor setting, possibly a workshop or garage.