before processing the plate workpiece in the region of the formed shape, securing the selected tool punch to the tool punch holder, and securing {HEAD ~ the selected tool die} to {TAIL ~ the tool die holder} 
to
before processing the plate workpiece in the region of the formed shape , securing the selected tool punch to the tool punch holder , and securing { HEAD ~ the selected tool die } to { TAIL ~ the tool die holder }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL