In this video, we see a person wearing a black shirt and yellow gloves using a wrench to tighten a bolt on a piece of machinery. The person is standing in front of a yellow table, and there is another person's hand visible, holding the machinery in place. The person with the wrench is using a lot of force to turn the wrench, indicating that the bolt is tight and requires significant effort to loosen. The machinery appears to be made of metal and is secured to the table with a green towel underneath it. The person's movements are deliberate and precise, suggesting that they are experienced in this task. Overall, the video depicts a scene of manual labor, with the person using the wrench to perform a specific task on the machinery.