The video shows a person using a grinder to smooth out a piece of metal. The person is wearing gloves and is holding the grinder with one hand while using the other hand to hold the metal. The grinder is spinning rapidly, creating sparks as it makes contact with the metal. The person is moving the grinder back and forth over the metal to ensure an even finish. The background is a concrete floor, and there are no other objects or people visible in the video.