{HEAD ~ The side wall} is provided with {TAIL ~ openings} which permit passage therethrough of liquid from the flask to facilitate oral medicating thereby 
is provided with
{ HEAD ~ The side wall } is provided with { TAIL ~ openings } which permit passage therethrough of liquid from the flask to facilitate oral medicating thereby
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH