{TAIL ~ The extrusion die} 17 is used in conjunction with an extrusion punch 18 having {HEAD ~ a spherically shaped protrusion} 19 
{ TAIL ~ The extrusion die } 17 is used in conjunction with an extrusion punch 18 having { HEAD ~ a spherically shaped protrusion } 19
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH