In the video, a man is seen using a wrench to tighten a bolt on a piece of machinery. The man is wearing a blue shirt and is standing in front of the machinery. The wrench is red and black, and the bolt is silver. The man is turning the wrench clockwise to tighten the bolt. The machinery appears to be made of metal and is gray in color. The background is not clearly visible, but it seems to be an industrial setting.