As arm ends 24b 1 and 24c 1 pass free of the neck curl, {HEAD ~ the retainer} is freely withdrawn from {TAIL ~ the releasably assembled neck} and cap and the cap is withdrawn for drum filling 
As arm ends 24b 1 and 24c 1 pass free of the neck curl , { HEAD ~ the retainer } is freely withdrawn from { TAIL ~ the releasably assembled neck } and cap and the cap is withdrawn for drum filling
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH