First, introduce the invention and creation of the bending machine. Then explain why we call it a bending machine. Since when has the bending machine been widely used.
First of all, the invention and creation of the bending machine is introduced. Then explain why we call it a bender. Benders are widely used from when they start.
First, introduce the invention and creation of bending machine. Then explain why we call it a bending machine. Since when has bending machine been widely used.<br>