What would you do when you see a fellow welder fell unconcious while welding in a confined space?

If I saw a fellow welder unconscious in a confined space, I would immediately call for emergency assistance and ensure that the area is safe to enter. I would activate the emergency shut-off for any equipment and, if trained, attempt to assess their condition while keeping them as stable as possible. I'd also notify any nearby coworkers to assist and prepare for the rescue team’s arrival. Ensuring proper ventilation and safety measures would be crucial to prevent further incidents.