The cutting member may include a plurality of {HEAD ~ discs} that are rotatable relative to {TAIL ~ the housing} 
are rotatable relative to
The cutting member may include a plurality of { HEAD ~ discs } that are rotatable relative to { TAIL ~ the housing }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL