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