The video shows a person's hands working on a circuit board. The person is using a soldering iron to solder wires onto the board. The board has several components attached to it, including resistors, capacitors, and a heat sink. The person's hands are steady as they work, and they appear to be experienced in soldering. The soldering iron is being used to connect two wires to the board, and the person is carefully applying heat to the solder to ensure a strong bond. The board is held in place by the person's other hand, and they are using a pair of tweezers to hold the wires in place. The video does not show the entire process, but it is clear that the person is skilled in this task.