The video shows a person's hand holding a spark plug and placing it into a metal object. The person then tightens the spark plug into the metal object using a wrench. The metal object appears to be a part of a larger machine or device. The person's hand is steady and precise as they work on the spark plug. The metal object has several holes and appears to be made of stainless steel. The spark plug is white and has a metal tip. The wrench used to tighten the spark plug is silver and appears to be made of steel. The background is blurred, but it looks like the person is working in a workshop or garage.