More specifically, the present invention relates to irregular shaped substrates and {HEAD ~ a method} for producing {TAIL ~ such substrates} 
More specifically , the present invention relates to irregular shaped substrates and { HEAD ~ a method } for producing { TAIL ~ such substrates }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL