In the video, a person is seen working on a car's brake system. The person is using a tool to adjust the brake pads. The brake pads are located on the rotor, which is part of the brake system. The person is seen making adjustments to ensure that the brake pads are properly aligned with the rotor. The person's hands are visible in the video, and they are wearing a black shirt. The background is not clearly visible, but it appears to be a garage or workshop setting. The person's actions are deliberate and precise, indicating that they are experienced in working on brake systems.