The video shows a person's hand using a screwdriver to unscrew a screw from a piece of machinery. The person's hand is visible in the frame, and the screwdriver is being used to turn the screw counterclockwise. The machinery appears to be made of metal and has a black color. The screw being unscrewed is silver and has a Phillips head. The person's hand is steady, and the screwdriver is applied with precision.