In the video, a person is seen using a wrench to tighten a bolt on a piece of machinery. The person's hand is visible, and they are wearing a red shirt. The machinery appears to be made of metal and has various wires and tubes attached to it. The person's hand is steady as they turn the wrench, indicating that they are experienced in this task. The video is shot in a close-up view, focusing on the person's hand and the machinery.