{TAIL ~ The apparatus} 20 includes a rigid base 22 and six interfitting anvils 24 supported by {HEAD ~ the base} 22 for movement relative to one another and means, generally indicated 25, for moving the anvils relative to one another 
{ TAIL ~ The apparatus } 20 includes a rigid base 22 and six interfitting anvils 24 supported by { HEAD ~ the base } 22 for movement relative to one another and means , generally indicated 25 , for moving the anvils relative to one another
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH