The container 1 further comprising {HEAD ~ means} on the vessel wall to facilitate determination of {TAIL ~ the amount} of liquid within the vessel 
The container 1 further comprising { HEAD ~ means } on the vessel wall to facilitate determination of { TAIL ~ the amount } of liquid within the vessel
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH