Tubing benders are automation machines that are used to bend or shape metal. As an example visualize a trombone tuba, trumpet, french horn, brass musical instrument. Likewise lots of plumbing contains metal bars that have been bent by automation machines.
There's all kinds of tube bending and it's not just as simple as taking a bar or piece of metal and bending it. Heat and cold processes are sometimes used. A tubing bender can also perform press bending, rotary draw bending and three-roll push-bending.