The video shows a close-up of a wooden board with a visible crack down the middle. The board is placed on a workbench, and a person is seen applying glue to the crack. The person uses a brush to spread the glue evenly along the crack, ensuring that it fills the gap completely. The wood appears to be a light-colored hardwood, and the glue is a thick, yellow substance. The person's movements are deliberate and careful, indicating that they are experienced in woodworking.