There are three people visible in the image. They appear to be working with machinery, as indicated by their attire and the equipment around them. The person on the left is wearing a white shirt and appears to be operating a machine. The person in the middle is also dressed in a white shirt and seems to be engaged in the same task. The person on the right is wearing a blue shirt and is holding a piece of equipment, possibly a control panel or a tool related to the machinery.