The video shows a man with dirty hands holding a metal tool. He is using his fingers to manipulate the tool, and then he attaches a round metal piece to it. The man appears to be working on some kind of mechanical device, possibly a piece of machinery or equipment. The tool he is using looks like a wrench or a similar type of hand tool. The round metal piece he attaches to the tool is a washer or a similar type of metal component. The man's actions suggest that he is either repairing or assembling something. The video does not provide any additional context or information about the man or the object he is working on.