{HEAD ~ The interconnection line} is attached to the front face and {TAIL ~ the bottom face} of the dielectric material 
{ HEAD ~ The interconnection line } is attached to the front face and { TAIL ~ the bottom face } of the dielectric material
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH