The liquid dispensing adaptation has {HEAD ~ a selectively openable resealable lid} to prevent {TAIL ~ inadvertent spillage} of liquid stored within the flask 
to prevent
The liquid dispensing adaptation has { HEAD ~ a selectively openable resealable lid } to prevent { TAIL ~ inadvertent spillage } of liquid stored within the flask
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH