There are three individuals in the image. The person on the left is wearing a blue shirt and appears to be holding a blue object with a black circular component. The person in the middle is dressed in a white shirt and is holding a blue object with a black circular component as well. The person on the right is wearing a black shirt and is holding a blue object with a black circular component. All three individuals are standing close together, and their actions suggest they might be working on or examining these objects.