Branch cutter 6, wherein said flat surface is made of {HEAD ~ a material} which is substantially softer than {TAIL ~ said cutting edge} 
is substantially softer than
Branch cutter 6 , wherein said flat surface is made of { HEAD ~ a material } which is substantially softer than { TAIL ~ said cutting edge }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL