The method 16 further comprising attaching {HEAD ~ the at least one functional block} among the plurality of functional blocks to {TAIL ~ the at least one recessed region} 
to
The method 16 further comprising attaching { HEAD ~ the at least one functional block } among the plurality of functional blocks to { TAIL ~ the at least one recessed region }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL