In the video, we see a person wearing a yellow rubber glove holding a brush and applying a brown substance to a wooden surface. The person is using the brush to spread the substance evenly across the wood. The wooden surface appears to be a table or a piece of furniture. The person's movements are deliberate and careful, ensuring that the substance is applied evenly. The brown substance could be a type of finish or stain, which is commonly used to protect and enhance the appearance of wood. The person's actions suggest that they are experienced in this type of work, as they handle the brush with precision and care. Overall, the video provides a detailed look at the process of applying a finish or stain to wood.