In operation, the consumer unscrews the cap from the spout, ruptures the sealing membrane 44 at {HEAD ~ the top} of {TAIL ~ the spout} and pours the desired amount of liquid out of the carton 
of
In operation , the consumer unscrews the cap from the spout , ruptures the sealing membrane 44 at { HEAD ~ the top } of { TAIL ~ the spout } and pours the desired amount of liquid out of the carton
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH