In the video, a man is seen using a nail gun to build a piece of furniture. He is shown attaching the nail gun to a hose and then using it to secure the sides of the furniture together. The man is wearing a green shirt and is focused on his task. The furniture appears to be a tall, rectangular piece, possibly a cabinet or a shelf. The nail gun is orange and black, and the hose is blue. The man's actions are deliberate and precise as he works to ensure the furniture is secure.