The scanner 10 scans and decodes {HEAD ~ a conventional bar code} 12 printed onto {TAIL ~ a suitable label} 14 
printed onto
The scanner 10 scans and decodes { HEAD ~ a conventional bar code } 12 printed onto { TAIL ~ a suitable label } 14
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH