The video shows a person wearing a protective suit and mask, holding a hose and spraying a wall with a liquid. The person is moving the hose back and forth, spraying the liquid in a controlled manner. The protective suit is orange and the mask is gray, and the liquid being sprayed is not visible. The wall being sprayed is white and appears to be made of concrete. The person's movements are steady and precise, indicating that they are experienced in this task.