In a first embodiment, a method includes receiving a measurement associated with {HEAD ~ an anisotropy} of a first surface and a measurement associated with {TAIL ~ an anisotropy} of a second surface of a sheet of material 
In a first embodiment , a method includes receiving a measurement associated with { HEAD ~ an anisotropy } of a first surface and a measurement associated with { TAIL ~ an anisotropy } of a second surface of a sheet of material
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH