In the video, a person is using a grinder to cut through a piece of metal. The grinder is held in the person's hand, and as it makes contact with the metal, bright orange sparks fly out. The background is dark, and the focus is on the sparks and the grinder. The person's hand is steady, and the grinder moves smoothly along the metal surface. The sparks are the most vibrant part of the video, and they create a stark contrast against the dark background.