In the video, a person is seen using a dial indicator to measure the level of wear and tear on a car engine. The dial indicator is a tool used to measure the distance between two points, and the person is using it to measure the wear and tear on the engine's surface. The person's hand is visible in the video, and they are holding the dial indicator against the engine's surface. The engine appears to be old and worn, with visible signs of rust and corrosion. The dial indicator is a circular tool with a needle that moves to indicate the distance between two points. The person is using the dial indicator to measure the level of wear and tear on the engine's surface, possibly to determine if it needs to be repaired or replaced.