In the video, a man is seen holding a gear and a shaft in his hands. He then proceeds to insert the gear onto the shaft. The man appears to be working on a machine or engine, as he is seen using a tool to adjust the gear. The video is shot in a workshop or garage setting, and the man is wearing a green shirt. The gear and shaft are both metallic and appear to be part of a larger mechanical system. The man's actions are deliberate and precise, indicating that he is experienced in this type of work.