The backing sheet 34 is formed of a strip of {HEAD ~ treated paper} that has an upper surface with {TAIL ~ a release agent} coating 36 thereon 
The backing sheet 34 is formed of a strip of { HEAD ~ treated paper } that has an upper surface with { TAIL ~ a release agent } coating 36 thereon
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH