The upper portion 14 can define {TAIL ~ an opening} for filling and {HEAD ~ dispensing} of a commodity stored therein 
The upper portion 14 can define { TAIL ~ an opening } for filling and { HEAD ~ dispensing } of a commodity stored therein
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH