There are three people visible in the image. They appear to be working on a piece of machinery, possibly a tractor or agricultural equipment. The person on the left is wearing a green shirt and appears to be operating a control panel or adjusting settings. The person in the middle is dressed in a blue shirt and is holding a hose or pipe, likely involved in maintenance or operation. The person on the right is also wearing a blue shirt and seems to be observing or supervising the work.