The video shows a close-up of a person's hands as they work on a piece of machinery. The person is using a wrench to tighten a bolt on the machine. The machine appears to be made of metal and has several bolts and screws visible. The person's hands are dirty, suggesting that they have been working on the machine for some time. The wrench is silver and appears to be of a standard size. The person's movements are deliberate and precise, indicating that they are experienced in this type of work.