Complex sentence: Tube bending as a process starts with loading a tube is loaded into a pipe bender and is clapped into place by two dies, the clamping block and the forming die and also loosely held by two other dies, the wiper die and the pressure die.
Split into simpler sentences: Tube bending as a process starts with loading a tube into a pipe bender and clapping it into place between two dies, the clamping block and the forming die. The tube is also loosely held by two other dies, the wiper die and the pressure die.