The second series of laser drilled wells form a tab which provides a more rigid tack to the substrate material thereby giving greater adhesion of the substrate to the panel of {HEAD ~ substrate material}, wherein {TAIL ~ the irregular shaped substrate} is retained in the panel of substrate material without breaking 
wherein
The second series of laser drilled wells form a tab which provides a more rigid tack to the substrate material thereby giving greater adhesion of the substrate to the panel of { HEAD ~ substrate material } , wherein { TAIL ~ the irregular shaped substrate } is retained in the panel of substrate material without breaking
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH