As arm ends 24b 1 and 24c 1 pass free of the neck curl, the retainer is freely withdrawn from {TAIL ~ the releasably assembled neck} and cap and the cap is withdrawn for {HEAD ~ drum filling} 
As arm ends 24b 1 and 24c 1 pass free of the neck curl , the retainer is freely withdrawn from { TAIL ~ the releasably assembled neck } and cap and the cap is withdrawn for { HEAD ~ drum filling }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