Multi head machines are assembled in accordance with the number of grinding heads on the basis of {HEAD ~ frame modules} which are similar in {TAIL ~ shape} 
are similar in
Multi head machines are assembled in accordance with the number of grinding heads on the basis of { HEAD ~ frame modules } which are similar in { TAIL ~ shape }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL