It is a further advantage that the height adjusting mechanism can be specified for {HEAD ~ certain types} of {TAIL ~ cutting surfaces} 
of
It is a further advantage that the height adjusting mechanism can be specified for { HEAD ~ certain types } of { TAIL ~ cutting surfaces }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL