The video shows a close-up of a person's hands working on a car's brake system. The person is using a tool to adjust the brake pads. The brake pads are made of metal and are attached to the brake caliper. The person's hands are covered in grease, indicating that they have been working on the car for some time. The brake pads are being adjusted to ensure that they are properly aligned with the brake rotor. The person is using a tool to push the brake pads against the rotor, checking for any movement or noise. The video does not show the entire car, but it is clear that the person is working on the brake system of a vehicle.