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