In the video, a person is seen holding a wrench and turning it to adjust the tension of a bolt. The bolt is attached to a piece of machinery, and the person's hand is visible as they work on it. The video is shot in close-up, focusing on the bolt and the person's hand. The person's hand is steady as they turn the wrench, and the bolt appears to be tightened or loosened as the video progresses. The machinery is not fully visible, but it seems to be a piece of industrial equipment. The lighting is bright, and the colors in the video are muted.