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