In the video, a person is seen applying a white substance to a wooden block using a red bottle with a nozzle. The person then uses a yellow roller to spread the substance evenly across the surface of the block. The wooden block is placed on a wooden table, and the person's hands are visible as they work on the block. The substance appears to be a type of adhesive or sealant, and the person is careful to ensure that it is applied evenly and thoroughly. The wooden block has a natural wood grain pattern, and the white substance contrasts with the wood's color. The person's movements are deliberate and precise, indicating that they are experienced in this type of work.