It is only for design reasons that {TAIL ~ this bore} 68 lies in the center between {HEAD ~ two cutouts} 66 
It is only for design reasons that { TAIL ~ this bore } 68 lies in the center between { HEAD ~ two cutouts } 66
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH