text: Plastic deformation involves using heat or pressure to make a workpiece more conductive to mechanical force. Historically, this and casting were done by blacksmiths, though today the process has been industrialized. In bulk metal forming, the workpiece is generally heated up.
  * Cold sizing
  * Extrusion
  * Drawing
  * Forging
  * Powder metallurgy
  * Friction drilling
  * Rolling
  * Burnishing