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