The video shows a person using a power tool to cut a piece of wood. The tool is a circular saw, and it is being used to cut a groove into the wood. The person is holding the tool with both hands and moving it back and forth to make the cut. The wood is being held in place by a metal clamp. The saw is making a loud noise as it cuts through the wood, and there are small pieces of wood and sawdust flying around. The person is wearing safety goggles and a dust mask to protect themselves from the sawdust.