In the video, a person is seen applying a substance to a surface using a roller. The person is wearing a black shirt and orange gloves. The substance appears to be a thick, gray liquid. The person rolls the roller back and forth over the surface, ensuring that the substance is evenly distributed. The surface appears to be a flat, horizontal surface, possibly a table or countertop. The person's movements are deliberate and careful, indicating that precision is required for this task. The video does not provide any additional context or information about the purpose of the substance or the location of the scene.