In this embodiment of the invention, if the amount of acrylic acid added to the adhesive is too high, greater than about 10 weight percent, the adhesive loses its pressure sensitive adhesion characteristics as well as detrimentally affecting {HEAD ~ the color change} of {TAIL ~ tetrazolium salt indicators} 
of
In this embodiment of the invention , if the amount of acrylic acid added to the adhesive is too high , greater than about 10 weight percent , the adhesive loses its pressure sensitive adhesion characteristics as well as detrimentally affecting { HEAD ~ the color change } of { TAIL ~ tetrazolium salt indicators }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL