The video shows a person's hand using a wrench to loosen a bolt on a piece of machinery. The bolt is rusted and the machinery appears to be old and worn out. The person's hand is steady as they turn the wrench, indicating that they are experienced in this task. The machinery is not clearly visible, but it appears to be a large piece of equipment, possibly a machine or a vehicle part. The lighting is dim, and the background is blurred, focusing the viewer's attention on the action of loosening the bolt.