This structure can be custom configured in as many layers or in {TAIL ~ a variety} of {HEAD ~ shapes} as is desirable to achieve a given electrical performance or to suit an intended application 
This structure can be custom configured in as many layers or in { TAIL ~ a variety } of { HEAD ~ shapes } as is desirable to achieve a given electrical performance or to suit an intended application
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH