Thus, {HEAD ~ the invention} is best suited to {TAIL ~ robot welding} in order to improve productivity 
is best suited to
Thus , { HEAD ~ the invention } is best suited to { TAIL ~ robot welding } in order to improve productivity
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH