However, the bar code readability becomes inadequate over time, and {HEAD ~ problems} are encountered with color developing sensitivity, {TAIL ~ moist heat resistance}, plasticizer resistance and the like 
are encountered with
However , the bar code readability becomes inadequate over time , and { HEAD ~ problems } are encountered with color developing sensitivity , { TAIL ~ moist heat resistance } , plasticizer resistance and the like
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH