The worker is repairing a deformed car door. He uses a pulling tool to restore the door’s shape by applying force. The reason the dented part of the car body can be pulled out is mainly because the heated metal becomes softer. while a vacuum suction cup grips the surface tightly for pulling. Inflatable airbags can also push dents out from inside. For larger or scattered dents, pull tabs are glued with hot-melt adhesive and pulled after cooling. If the paint is damaged, welded pull tabs are used